CVE-2015-5312

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    CVE-2015-5312

    Published: 15 Dec 2015Last Modified: 16 Apr 2026

    Summary:

    Details: The xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.3 does not properly prevent entity expansion, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data, a different vulnerability than CVE-2014-3660.

    References: http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html, http://marc.info/?l=bugtraq&m=145382616617563&w=2, http://rhn.redhat.com/errata/RHSA-2015-2549.html, http://rhn.redhat.com/errata/RHSA-2015-2550.html, http://rhn.redhat.com/errata/RHSA-2016-1089.html, http://www.debian.org/security/2015/dsa-3430, http://www.ubuntu.com/usn/USN-2834-1, http://xmlsoft.org/news.html, https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172, https://security.gentoo.org/glsa/201701-37, https://support.apple.com/HT206166, https://support.apple.com/HT206167, https://support.apple.com/HT206168, https://support.apple.com/HT206169, http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html, https://bugzilla.redhat.com/show_bug.cgi?id=1276693, http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html, http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html, http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html, http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html, http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html, http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html, http://www.securityfocus.com/bid/79536, http://www.securitytracker.com/id/1034243, https://git.gnome.org/browse/libxml2/commit/?id=69030714cde66d525a8884bda01b9e8f0abf8e1e

    Affected packages

    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