# CVE-2026-119123: ImageMagick before 7.1.2-34 Stack Overflow in TIFF Decoder

Status: published. Published: 2026-10-29. Updated: 2026-11-04.

ImageMagick before 7.1.2-34 contains a stack overflow vulnerability in the TIFF decoder that occurs when the DNG decoder is disabled. Attackers can supply a crafted image file for processing to trigger the stack overflow and crash the application, causing denial of service.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- ImageMagick / ImageMagick: ≥ 0; < 7.1.2-34 (affected, semver); 7.1.2-34 (unaffected, semver). Source: CNA: VulnCheck

## 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:imagemagick:imagemagick:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "7.1.2-34",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 4.0: 6.3 (medium); CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N; source: CNA: VulnCheck

- CVSS 3.1: 3.7 (low); CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L; source: CNA: VulnCheck

- CVSS 4.0: 6.3 (medium); CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: disclosure@vulncheck.com

- CVSS 3.1: 7.5 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H; source: NVD: nvd@nist.gov

- CVSS 3.1: 3.7 (low); CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L; source: NVD: disclosure@vulncheck.com

- CISA KEV: No listing in collected sources

- EPSS: 0.35% as of 2026-11-03; percentile 29.21%

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

- Weaknesses: CWE-674

## Exploit evidence

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

## References

- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-g5j8-ff59-wp88 (CNA: VulnCheck; vendor-advisory)

- https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-34-stack-overflow-in-tiff-decoder (CNA: VulnCheck; third-party-advisory)

- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-g5j8-ff59-wp88 (disclosure@vulncheck.com; Vendor Advisory)

- https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-34-stack-overflow-in-tiff-decoder (disclosure@vulncheck.com; Third Party Advisory)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-119123; retrieved 2026-11-04; source updated 2026-11-04

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-119123; retrieved 2026-11-02; source updated 2026-11-02

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-119123; retrieved 2026-11-04; source updated Not reported

Revision: eb7d7555e0c41eafa166dd8bbb8f47b8a2b150e32a12569166b29c6d86f54262

Canonical: https://y2.dev/cve/CVE-2026-119123

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