PYSEC-2017-140

    Dashboard / Vulnerabilities / PYSEC-2017-140

    PYSEC-2017-140

    Published: 13 Dec 2017Last Modified: 9 Oct 2025

    Summary:

    Details: There is a heap-based buffer over-read in the Exiv2::Internal::PngChunk::keyTXTChunk function of pngchunk_int.cpp in Exiv2 0.26. A crafted PNG file will lead to a remote denial of service attack.

    References: https://github.com/Exiv2/exiv2/issues/187, https://usn.ubuntu.com/3852-1/, https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html

    Affected packages

    Package

    Name: exiv2

    Purl: pkg:pypi/exiv2

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    0.1

    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