# CVE-2026-4775: Libtiff: libtiff: arbitrary code execution or denial of service via signed integer overflow in tiff file processing

Status: published. Published: 2026-03-24. Updated: 2026-11-04.

A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerability in the putcontig8bitYCbCr44tile function by providing a specially crafted TIFF file. This flaw can lead to an out-of-bounds heap write due to incorrect memory pointer calculations, potentially causing a denial of service (application crash) or arbitrary code execution.

## Remediation

- workaround: To mitigate this issue, avoid processing untrusted or maliciously crafted TIFF files with applications linked against the libtiff library. If processing untrusted TIFF files is unavoidable, consider running the affected applications within a sandboxed environment to limit the potential impact of successful exploitation. This operational control helps contain the effects of an out-of-bounds write, reducing the risk of denial of service or arbitrary code execution. (source: CNA: redhat)
- fix: RHSA-2026:24992: Red Hat Enterprise Linux Server (v. 7 ELS)

RHSA-2026:25910: Red Hat Enterprise Linux Server (v. 7 ELS), Red Hat Enterprise Linux Server Optional (v. 7 ELS)

RHSA-2026:19586: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)

RHSA-2026:12265: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)

RHSA-2026:19150: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)

RHSA-2026:20585: Red Hat Enterprise Linux AppStream (v. 8)

RHSA-2026:16055: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8)

RHSA-2026:20583: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)

RHSA-2026:19659: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)

RHSA-2026:20591: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6)

RHSA-2026:19657: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6)

RHSA-2026:20592: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)

RHSA-2026:19604: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)

RHSA-2026:19608: Red Hat Enterprise Linux AppStream E4S (v.9.0)

RHSA-2026:19609: Red Hat Enterprise Linux AppStream E4S (v.9.2)

RHSA-2026:19702: Red Hat CodeReady Linux Builder EUS (v.9.4), Red Hat Enterprise Linux AppStream EUS (v.9.4)

RHSA-2026:19585: Red Hat CodeReady Linux Builder EUS (v.9.6), Red Hat Enterprise Linux AppStream EUS (v.9.6)

RHSA-2026:12271: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)

RHSA-2026:19363: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)

RHSA-2026:14929: Red Hat Enterprise Linux CRB (v. 8)

RHSA-2026:25096: Red Hat AI Inference Server 3.2

RHSA-2026:30078: Red Hat AI Inference Server 3.3

RHSA-2026:30089: Red Hat AI Inference Server 3.3

RHSA-2026:30088: Red Hat AI Inference Server 3.3

RHSA-2026:30087: Red Hat AI Inference Server 3.3

RHSA-2026:30349: Red Hat Hardened Images (source: ADP: redhat-SADP)
- workaround: To mitigate this issue, avoid processing untrusted or maliciously crafted TIFF files with applications linked against the libtiff library. If processing untrusted TIFF files is unavoidable, consider running the affected applications within a sandboxed environment to limit the potential impact of successful exploitation. This operational control helps contain the effects of an out-of-bounds write, reducing the risk of denial of service or arbitrary code execution. (source: ADP: redhat-SADP)

## Affected products and versions

- Red Hat / Red Hat Enterprise Linux 10 (libtiff): ≥ 0:4.6.0-6.el10_1.3; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 10 (libtiff): ≥ 0:4.6.0-8.el10_2.1; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Support (libtiff): ≥ 0:4.6.0-6.el10_0.3; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 7 Extended Lifecycle Support (compat-libtiff3): ≥ 0:3.9.4-12.el7_9.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 7 Extended Lifecycle Support (libtiff): ≥ 0:4.0.3-35.el7_9.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8 (libtiff): ≥ 0:4.0.9-37.el8_10; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8 (compat-libtiff3): ≥ 0:3.9.4-15.el8_10; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8 (mingw-libtiff): ≥ 0:4.0.9-4.el8_10; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support (libtiff): ≥ 0:4.0.9-18.el8_4.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support (compat-libtiff3): ≥ 0:3.9.4-13.el8_4.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On (libtiff): ≥ 0:4.0.9-18.el8_4.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On (compat-libtiff3): ≥ 0:3.9.4-13.el8_4.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support (libtiff): ≥ 0:4.0.9-21.el8_6.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support (compat-libtiff3): ≥ 0:3.9.4-13.el8_6.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Telecommunications Update Service (libtiff): ≥ 0:4.0.9-21.el8_6.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Telecommunications Update Service (compat-libtiff3): ≥ 0:3.9.4-13.el8_6.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions (libtiff): ≥ 0:4.0.9-21.el8_6.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions (compat-libtiff3): ≥ 0:3.9.4-13.el8_6.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service (libtiff): ≥ 0:4.0.9-29.el8_8.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service (compat-libtiff3): ≥ 0:3.9.4-13.el8_8.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions (libtiff): ≥ 0:4.0.9-29.el8_8.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions (compat-libtiff3): ≥ 0:3.9.4-13.el8_8.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9 (libtiff): ≥ 0:4.4.0-15.el9_7.3; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9 (libtiff): ≥ 0:4.4.0-18.el9_8; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions (libtiff): ≥ 0:4.2.0-3.el9_0.3; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions (libtiff): ≥ 0:4.4.0-8.el9_2.5; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.4 Extended Update Support (libtiff): ≥ 0:4.4.0-12.el9_4.5; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.6 Extended Update Support (libtiff): ≥ 0:4.4.0-13.el9_6.4; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat AI Inference Server 3.2 (rhaiis/model-opt-cuda-rhel9): ≥ 1780681984; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat AI Inference Server 3.3 (rhaiis/model-opt-cuda-rhel9): ≥ 1782352950; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat AI Inference Server 3.3 (rhaiis/vllm-spyre-rhel9): ≥ 1782352919; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat AI Inference Server 3.3 (rhaiis/vllm-rocm-rhel9): ≥ 1782353093; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat AI Inference Server 3.3 (rhaiis/vllm-cuda-rhel9): ≥ 1782352847; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Hardened Images (libtiff-main): ≥ 4.7.1-2.2.hum1; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Hardened Images (libtiff-main): ≥ 4.7.1-2.3.hum1; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat OpenShift AI 3.4 (rhai/base-image-neuron-rhel9): ≥ 1790703542; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 6 (libtiff): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 10 (libtiff): ≥ 0:4.6.0-6.el10_1.3; < * (unaffected, rpm); ≥ 0:4.6.0-8.el10_2.1; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Support (libtiff): ≥ 0:4.6.0-6.el10_0.3; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 7 Extended Lifecycle Support (compat-libtiff3): ≥ 0:3.9.4-12.el7_9.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 7 Extended Lifecycle Support (libtiff): ≥ 0:4.0.3-35.el7_9.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8 (libtiff): ≥ 0:4.0.9-37.el8_10; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8 (compat-libtiff3): ≥ 0:3.9.4-15.el8_10; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8 (mingw-libtiff): ≥ 0:4.0.9-4.el8_10; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support (libtiff): ≥ 0:4.0.9-18.el8_4.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support (compat-libtiff3): ≥ 0:3.9.4-13.el8_4.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On (libtiff): ≥ 0:4.0.9-18.el8_4.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On (compat-libtiff3): ≥ 0:3.9.4-13.el8_4.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support (libtiff): ≥ 0:4.0.9-21.el8_6.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support (compat-libtiff3): ≥ 0:3.9.4-13.el8_6.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8.6 Telecommunications Update Service (libtiff): ≥ 0:4.0.9-21.el8_6.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8.6 Telecommunications Update Service (compat-libtiff3): ≥ 0:3.9.4-13.el8_6.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions (libtiff): ≥ 0:4.0.9-21.el8_6.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions (compat-libtiff3): ≥ 0:3.9.4-13.el8_6.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service (libtiff): ≥ 0:4.0.9-29.el8_8.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service (compat-libtiff3): ≥ 0:3.9.4-13.el8_8.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions (libtiff): ≥ 0:4.0.9-29.el8_8.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions (compat-libtiff3): ≥ 0:3.9.4-13.el8_8.2; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 9 (libtiff): ≥ 0:4.4.0-15.el9_7.3; < * (unaffected, rpm); ≥ 0:4.4.0-18.el9_8; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions (libtiff): ≥ 0:4.2.0-3.el9_0.3; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions (libtiff): ≥ 0:4.4.0-8.el9_2.5; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 9.4 Extended Update Support (libtiff): ≥ 0:4.4.0-12.el9_4.5; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 9.6 Extended Update Support (libtiff): ≥ 0:4.4.0-13.el9_6.4; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat AI Inference Server 3.2 (rhaiis/model-opt-cuda-rhel9): ≥ 1780681984; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat AI Inference Server 3.3 (rhaiis/model-opt-cuda-rhel9): ≥ 1782352950; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat AI Inference Server 3.3 (rhaiis/vllm-spyre-rhel9): ≥ 1782352919; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat AI Inference Server 3.3 (rhaiis/vllm-rocm-rhel9): ≥ 1782353093; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat AI Inference Server 3.3 (rhaiis/vllm-cuda-rhel9): ≥ 1782352847; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Hardened Images (libtiff-main): ≥ 4.7.1-2.2.hum1; < * (unaffected, rpm); ≥ 4.7.1-2.3.hum1; < * (unaffected, rpm). Source: ADP: redhat-SADP
- Red Hat / Red Hat Enterprise Linux 6 (libtiff): Version range not reported. Source: ADP: redhat-SADP

## NVD configuration conditions

Affected CPE matches depend on the following AND/OR and negation conditions:

```json
[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "4.7.2",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  },
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  },
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:redhat:ai_inference_server:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "3.2.2",
            "versionStartIncluding": "3.2.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:ai_inference_server:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "3.3.5",
            "versionStartIncluding": "3.3.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:codeready_linux_builder:8.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:codeready_linux_builder:9.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:codeready_linux_builder:10.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:codeready_linux_builder_eus:9.4:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:codeready_linux_builder_eus:9.6:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:codeready_linux_builder_eus:10.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:hardened_images:-:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:redhat:openshift_ai:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "3.4.3",
            "versionStartIncluding": "3.4",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_els:7.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:9.4:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:9.6:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:10.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.8:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.8:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.2:*:*:*:*:*:*:*",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: CNA: redhat

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: ADP: redhat-SADP

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: NVD: secalert@redhat.com

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: NVD: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

- CISA KEV: No listing in collected sources

- EPSS: 0.57% as of 2026-11-04; percentile 47.28%

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-190

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://access.redhat.com/errata/RHSA-2026:12265 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:12271 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:14929 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:16055 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19150 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19363 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19585 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19586 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19604 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19608 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19609 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19657 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19659 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19702 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:20583 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:20585 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:20591 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:20592 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:24992 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:25096 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:25910 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:30078 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:30087 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:30088 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:30089 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:30349 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:33388 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:74674 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/security/cve/CVE-2026-4775 (CNA: redhat; vdb-entry, x_refsource_REDHAT)

- https://bugzilla.redhat.com/show_bug.cgi?id=2450768 (CNA: redhat; issue-tracking, x_refsource_REDHAT)

- https://lists.debian.org/debian-lts-announce/2026/04/msg00016.html (ADP: CVE)

- https://access.redhat.com/security/cve/CVE-2026-4775 (ADP: redhat-SADP; vdb-entry, x_refsource_REDHAT)

- https://bugzilla.redhat.com/show_bug.cgi?id=2450768 (ADP: redhat-SADP; issue-tracking, x_refsource_REDHAT)

- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4775.json (ADP: redhat-SADP; x_sadp-csaf-vex)

- https://access.redhat.com/errata/RHSA-2026:24992 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:25910 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19586 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:12265 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19150 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:20585 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:16055 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:20583 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19659 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:20591 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19657 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:20592 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19604 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19608 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19609 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19702 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19585 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:12271 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:19363 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:14929 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:25096 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:30078 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:30089 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:30088 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:30087 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:30349 (ADP: redhat-SADP; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2026:12265 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:12271 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:14929 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:16055 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19150 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19363 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19585 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19586 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19604 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19608 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19609 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19657 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19659 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19702 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:20583 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:20585 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:20591 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:20592 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:24992 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:25096 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:25910 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:30078 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:30087 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:30088 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:30089 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:30349 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:33388 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:74674 (secalert@redhat.com; Vendor Advisory)

- https://access.redhat.com/security/cve/CVE-2026-4775 (secalert@redhat.com; Vendor Advisory)

- https://bugzilla.redhat.com/show_bug.cgi?id=2450768 (secalert@redhat.com; Issue Tracking, Vendor Advisory)

- https://lists.debian.org/debian-lts-announce/2026/04/msg00016.html (af854a3a-2127-422b-91ae-364da2661108; Mailing List, Third Party Advisory)

- https://access.redhat.com/errata/RHSA-2026:12265 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:12271 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:14929 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:16055 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19150 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19363 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19585 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19586 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19604 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19608 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19609 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19657 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19659 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:19702 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:20583 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:20585 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:20591 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:20592 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:24992 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:25096 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:25910 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:30078 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:30087 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:30088 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:30089 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/errata/RHSA-2026:30349 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://access.redhat.com/security/cve/CVE-2026-4775 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

- https://bugzilla.redhat.com/show_bug.cgi?id=2450768 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Issue Tracking, Vendor Advisory)

- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4775.json (0b0ca135-0b70-47e7-9f44-1890c2a1c46c; Vendor Advisory)

## Provenance

- CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2026-4775; retrieved 2026-11-04; source updated 2026-11-04

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-4775; retrieved 2026-11-05; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-4775; retrieved 2026-11-04; source updated Not reported

Revision: 904cb372e0490e216f0e5bc818a7122cfeec5f5ad027bcfdf288677277eeb486

Canonical: https://y2.dev/cve/CVE-2026-4775

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.