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    CVE-2026-42170

    A heap-based buffer overflow vulnerability exists in the GIMP DDS (DirectDraw Surface) file parser. When a crafted DDS file declares a D3D9 pixel format but sets a lower bits-per-pixel (bpp) value in the header, the loader allocates an undersized heap buffer. Subsequent pixel data consumption at the real format's stride causes a write past the heap buffer boundary, leading to heap metadata corruption and potential code execution.

    Published:Aug 4, 2026
    Last Modified:Sep 1, 2026
    EPS:Aug 8, 2026
    EPSS Score:0.00171
    CVSS Score:7.8

    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

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    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, …
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    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 …
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    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