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    CVE-2026-42169

    A heap-buffer-overflow vulnerability exists in the APNG (Animated PNG) file loader of GIMP. This flaw occurs when the `fcTL` width exceeds the `IHDR` width, leading to pixel data being written past the end of a heap allocation. Additionally, a heap-based buffer overflow exists in the DDS plug-in due to a BPP mismatch in the `load_layer()` function. Both vulnerabilities can be triggered by opening a specially crafted image file, potentially leading to code execution.

    Published:Aug 4, 2026
    Last Modified:Aug 7, 2026
    EPS:Aug 4, 2026
    EPSS Score:0.00133
    CVSS Score:7.3

    Affected Products

    Vendor
    Gimp
    Product
    Gimp
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-100 Overflow Buffers
    CAPEC-47 Buffer Overflow via Parameter Expansion

    Related CVEs

    CVE-2026-82343 (CVSS 6.1) — A flaw was found in the file-psd plugin in GIMP. When processing a specially crafted PSD image file, the plugi…
    CVE-2026-82330 (CVSS 6.1) — A flaw was found in the file-pvr plugin in GIMP. When processing a specially crafted PVR image file, the VQ (c…
    CVE-2026-82328 (CVSS 6.1) — A flaw was found in the file-ico plugin in GIMP. When processing a specially crafted ICO image file, the plugi…
    CVE-2026-82324 (CVSS 6.1) — A flaw was found in the file-iff (IFF/ILBM) plugin in GIMP. When processing a specially crafted IFF/ILBM image…
    CVE-2026-79902 (CVSS 5.5) — A flaw was found in the Seattle FilmWorks plugin in GIMP. When processing a specially crafted SFW image file, …
    CVE-2026-80101 (CVSS 4.4) — A flaw was found in the file-xwd plugin in GIMP. When processing a specially crafted XWD image file, the plugi…
    CVE-2026-78475 (CVSS 6.1) — A flaw was found in the file-pix (ESM) plugin in GIMP. When processing a specially crafted PIX image file, the…
    CVE-2026-78465 (CVSS 7) — A flaw was found in the file-pcx plugin in GIMP, affecting 32-bit builds only. When processing a PCX image fil…
    CVE-2026-18309 (CVSS 7.8) — GIMP APNG File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote …
    CVE-2026-18308 (CVSS 7.8) — GIMP TIF File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote a…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High