UBUNTU-CVE-2015-2942

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    UBUNTU-CVE-2015-2942

    Published: 13 Apr 2015Last Modified: 16 Jul 2025
    Upstream:
    CVE-2015-2942

    Summary:

    Details: MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of nested entity references in an (1) SVG file or (2) XMP metadata in a PDF file, aka a "billion laughs attack," a different vulnerability than CVE-2015-2937.

    References: https://ubuntu.com/security/CVE-2015-2942, https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html, http://www.openwall.com/lists/oss-security/2015/04/01/1, https://www.cve.org/CVERecord?id=CVE-2015-2942

    Affected packages

    Package

    Name: mediawiki

    Purl: pkg:deb/ubuntu/mediawiki@1:1.27.4-3?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:1.27.4-3

    Affected versions

    1:1.27.3-1
    1:1.27.4-1
    1:1.27.4-2

    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-2015-2942 | CVE-DB