CVE-2021-27815

    Dashboard / Vulnerabilities / CVE-2021-27815

    CVE-2021-27815

    Published: 14 Apr 2021Last Modified: 9 Jul 2026

    Summary:

    Details: NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSWAXZVNXYLV3E4R6YQTEGRGMGWEAR76/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZQ3L45F7S7PQPG5HEHXOCGNOO64MJOS/, https://security.gentoo.org/glsa/202210-28, https://github.com/libexif/exif/commit/eb84b0e3c5f2a86013b6fcfb800d187896a648fa, https://github.com/libexif/exif/commit/f6334d9d32437ef13dc902f0a88a2be0063d9d1c, https://github.com/libexif/exif/issues/4

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    exif-0_6_22-release

    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-2021-27815 | CVE-DB