UBUNTU-CVE-2015-8540

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    UBUNTU-CVE-2015-8540

    Published: 11 Dec 2015Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-8540
    Aliases:
    USN-2861-1

    Summary:

    Details: Integer underflow in the png_check_keyword function in pngwutil.c in libpng 0.90 through 0.99, 1.0.x before 1.0.66, 1.1.x and 1.2.x before 1.2.56, 1.3.x and 1.4.x before 1.4.19, and 1.5.x before 1.5.26 allows remote attackers to have unspecified impact via a space character as a keyword in a PNG image, which triggers an out-of-bounds read.

    References: https://ubuntu.com/security/CVE-2015-8540, http://www.openwall.com/lists/oss-security/2015/12/10/6, https://ubuntu.com/security/notices/USN-2861-1, https://www.cve.org/CVERecord?id=CVE-2015-8540

    Affected packages

    Package

    Name: libpng

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.2.50-1ubuntu2.14.04.2

    Affected versions

    1.2.49-4ubuntu1
    1.2.49-5ubuntu1
    1.2.50-1ubuntu1
    1.2.50-1ubuntu2
    1.2.50-1ubuntu2.14.04.1

    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
    UBUNTU-CVE-2015-8540 | CVE-DB