CVE-2021-34334

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    CVE-2021-34334

    Published: 9 Aug 2021Last Modified: 8 Jul 2026

    Summary:

    Details: Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An infinite loop is triggered when Exiv2 is used to read the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service, if they can trick the victim into running Exiv2 on a crafted image file. The bug is fixed in version v0.27.5.

    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/2023/01/msg00004.html, https://security.gentoo.org/glsa/202312-06, https://github.com/Exiv2/exiv2/pull/1766, https://github.com/Exiv2/exiv2/security/advisories/GHSA-hqjh-hpv8-8r9p

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v0.27.4
    v0.27.4-RC3
    v0.27.4-RC2
    v0.27.4-RC1
    v0.27.3
    v0.27.3-RC2
    v0.27.3-RC1
    v0.27.2
    v0.27.2-RC3
    v0.27.2-RC2
    v0.27.2-RC1
    v0.27.1
    v0.27.1-RC1
    v0.27.0

    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-2021-34334 | CVE-DB