OSV-2021-677

    Dashboard / Vulnerabilities / OSV-2021-677

    OSV-2021-677

    Published: 23 Apr 2021Last Modified: 18 Sept 2026

    Summary: Heap-buffer-overflow in grk::FileFormatDecompress::apply_palette_clr

    Details: OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544 ``` Crash type: Heap-buffer-overflow WRITE 16 Crash state: grk::FileFormatDecompress::apply_palette_clr grk::FileFormatDecompress::applyColour grk_decompress_fuzzer.cpp ```

    Affected packages

    Package

    Name: grok

    Purl: pkg:generic/grok

    Affected ranges

    Type: GIT

    Events:

    Introduced- 7e45c17f3700085a60db0467954230e9f6dd4b2d
    Fixed -None

    Affected versions

    v7.6.6
    v7.6.6-3
    v7.6.6.debian

    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
    OSV-2021-677 | CVE-DB