CVE-2021-31292

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    CVE-2021-31292

    Published: 26 Jul 2021Last Modified: 8 Jul 2026

    Summary:

    Details: An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based buffer overflow and cause a denial of service (DOS) via crafted metadata.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMDT4PJB7P43WSOM3TRQIY3J33BAFVVE/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UYGDELIFFJWKUU7SO3QATCIXCZJERGAC/, https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html, https://security.gentoo.org/glsa/202312-06, https://www.debian.org/security/2021/dsa-4958, https://github.com/Exiv2/exiv2/issues/1530

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 194bb65ac568a5435874c9d9d73b1c8a68e4edec
    Fixed -None

    Affected versions

    0.27.3-NA

    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-2021-31292 | CVE-DB