CVE-2021-36692

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    CVE-2021-36692

    Published: 30 Aug 2021Last Modified: 7 Aug 2026

    Summary:

    Details: libjxl v0.3.7 is affected by a Divide By Zero in issue in lib/extras/codec_apng.cc jxl::DecodeImageAPNG(). When encoding a malicous APNG file using cjxl, an attacker can trigger a denial of service.

    References: https://github.com/libjxl/libjxl/issues/308, https://github.com/libjxl/libjxl/commit/7dfa400ded53919d986c5d3d23446a09e0cf481b, https://github.com/libjxl/libjxl/pull/313

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 9e9bce86164dc4d01c39eeeb3404d6aed85137b2
    Fixed -None

    Affected versions

    0.3.7

    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
    CVE-2021-36692 | CVE-DB