# CVE-2023-52356: Libtiff: segment fault in libtiff in tiffreadrgbatileext() leading to denial of service Status: published. Published: 2024-01-25. Updated: 2026-11-07. A segment fault (SEGV) flaw was found in libtiff that could be triggered by passing a crafted tiff file to the TIFFReadRGBATileExt() API. This flaw allows a remote attacker to cause a heap-buffer overflow, leading to a denial of service. ## Remediation No remediation reported in collected sources ## Affected products and versions - / (libtiff): ≥ 0; < 4.6.0 (affected, semver). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 10 (libtiff): ≥ 0:4.6.0-6.el10_1.2; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Support (libtiff): ≥ 0:4.6.0-6.el10_0.2; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8 (libtiff): ≥ 0:4.0.9-32.el8_10; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 9 (libtiff): ≥ 0:4.4.0-15.el9; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 9.6 Extended Update Support (libtiff): ≥ 0:4.4.0-13.el9_6.3; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat AI Inference Server 3.2 (rhaiis/vllm-cuda-rhel9): ≥ 3.2.2-1765379088; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat AI Inference Server 3.2 (rhaiis/vllm-rocm-rhel9): ≥ 3.2.2-1765379049; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat AI Inference Server 3.2 (rhaiis/model-opt-cuda-rhel9): ≥ 3.2.2-1764871796; < * (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 3.2 (rhaiis/vllm-cuda-rhel9): ≥ 1772160593; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat AI Inference Server 3.2 (rhaiis/vllm-rocm-rhel9): ≥ 1772160625; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat AI Inference Server 3.2 (rhaiis/vllm-cuda-rhel9): ≥ 1775740563; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat AI Inference Server 3.3 (rhaiis/vllm-spyre-rhel9): ≥ 1778244546; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat AI Inference Server 3.3 (rhaiis/vllm-cuda-rhel9): ≥ 1775680192; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat AI Inference Server 3.3 (rhaiis/vllm-rocm-rhel9): ≥ 1775680262; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat AI Inference Server 3.3 (rhaiis/model-opt-cuda-rhel9): ≥ 1775749857; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Discovery 2 (discovery/discovery-ui-rhel9): ≥ 2.4.0-1763656152; < * (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 7 (compat-libtiff3): Version range not reported. Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 7 (libtiff): Version range not reported. Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8 (compat-libtiff3): Version range not reported. Source: CNA: redhat ## Severity and prioritization - 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: CNA: redhat - CISA KEV: No listing in collected sources - EPSS: 2.51% as of 2026-11-06; percentile 84.81% - SSVC: exploitation poc; automatable yes; technical impact partial; source ADP: CISA-ADP - Weaknesses: CWE-122 ## Exploit evidence No exploit evidence in collected sources. This is not proof of no exploitation. ## References - https://access.redhat.com/errata/RHSA-2024:5079 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2025:20801 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2025:21994 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2025:23078 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2025:23079 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2025:23080 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2026:16174 (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-2026:3461 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2026:3462 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2026:5958 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2026:7081 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2026:7304 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2026:7335 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2026:8746 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2026:8747 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2026:8748 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/security/cve/CVE-2023-52356 (CNA: redhat; vdb-entry, x_refsource_REDHAT) - https://bugzilla.redhat.com/show_bug.cgi?id=2251344 (CNA: redhat; issue-tracking, x_refsource_REDHAT) - https://gitlab.com/libtiff/libtiff/-/issues/622 (CNA: redhat) - https://gitlab.com/libtiff/libtiff/-/merge_requests/546 (CNA: redhat) - https://access.redhat.com/security/cve/CVE-2023-52356 (ADP: CVE; vdb-entry, x_refsource_REDHAT, x_transferred) - https://bugzilla.redhat.com/show_bug.cgi?id=2251344 (ADP: CVE; issue-tracking, x_refsource_REDHAT, x_transferred) - https://gitlab.com/libtiff/libtiff/-/issues/622 (ADP: CVE; x_transferred) - https://gitlab.com/libtiff/libtiff/-/merge_requests/546 (ADP: CVE; x_transferred) - https://lists.debian.org/debian-lts-announce/2024/03/msg00011.html (ADP: CVE; x_transferred) - https://support.apple.com/kb/HT214119 (ADP: CVE; x_transferred) - https://support.apple.com/kb/HT214123 (ADP: CVE; x_transferred) - https://support.apple.com/kb/HT214122 (ADP: CVE; x_transferred) - https://support.apple.com/kb/HT214117 (ADP: CVE; x_transferred) - https://support.apple.com/kb/HT214118 (ADP: CVE; x_transferred) - https://support.apple.com/kb/HT214116 (ADP: CVE; x_transferred) - https://support.apple.com/kb/HT214120 (ADP: CVE; x_transferred) - https://support.apple.com/kb/HT214124 (ADP: CVE; x_transferred) - http://seclists.org/fulldisclosure/2024/Jul/16 (ADP: CVE; x_transferred) - http://seclists.org/fulldisclosure/2024/Jul/23 (ADP: CVE; x_transferred) - http://seclists.org/fulldisclosure/2024/Jul/21 (ADP: CVE; x_transferred) - http://seclists.org/fulldisclosure/2024/Jul/20 (ADP: CVE; x_transferred) - http://seclists.org/fulldisclosure/2024/Jul/17 (ADP: CVE; x_transferred) - http://seclists.org/fulldisclosure/2024/Jul/22 (ADP: CVE; x_transferred) - http://seclists.org/fulldisclosure/2024/Jul/18 (ADP: CVE; x_transferred) - http://seclists.org/fulldisclosure/2024/Jul/19 (ADP: CVE; x_transferred) - https://lists.debian.org/debian-lts-announce/2025/01/msg00019.html (ADP: CVE) ## Provenance - CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2023-52356; retrieved 2026-11-07; source updated 2026-11-07 - FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2023-52356; retrieved 2026-11-07; source updated Not reported Revision: 25a7f8ef73e5cf3fa5a82a2e25f71cb38e8c33b5bd2a93fb9af4c2616bc52d1e Canonical: https://y2.dev/cve/CVE-2023-52356 ## 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. 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