UBUNTU-CVE-2018-13785

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    UBUNTU-CVE-2018-13785

    Published: 9 Jul 2018Last Modified: 1 Jun 2026
    Upstream:
    CVE-2018-13785
    Aliases:
    USN-3712-1

    Summary:

    Details: In libpng 1.6.34, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG file, leading to a denial of service.

    References: https://ubuntu.com/security/CVE-2018-13785, https://sourceforge.net/p/libpng/bugs/278/, https://ubuntu.com/security/notices/USN-3712-1, https://www.cve.org/CVERecord?id=CVE-2018-13785

    Affected packages

    Package

    Name: libpng1.6

    Purl: pkg:deb/ubuntu/libpng1.6?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.6.34-1ubuntu0.18.04.1

    Affected versions

    1.6.34-1

    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