CVE-2012-1148

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    CVE-2012-1148

    Published: 3 Jul 2012Last Modified: 10 Apr 2026

    Summary:

    Details: Memory leak in the poolGrow function in expat/lib/xmlparse.c in expat before 2.1.0 allows context-dependent attackers to cause a denial of service (memory consumption) via a large number of crafted XML files that cause improperly-handled reallocation failures when expanding entities.

    References: http://rhn.redhat.com/errata/RHSA-2012-0731.html, http://rhn.redhat.com/errata/RHSA-2016-0062.html, http://rhn.redhat.com/errata/RHSA-2016-2957.html, http://secunia.com/advisories/49504, http://secunia.com/advisories/51024, http://secunia.com/advisories/51040, http://www.debian.org/security/2012/dsa-2525, http://www.mandriva.com/security/advisories?name=MDVSA-2012:041, http://www.ubuntu.com/usn/USN-1527-1, http://www.ubuntu.com/usn/USN-1613-1, http://www.ubuntu.com/usn/USN-1613-2, http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmlparse.c?r1=1.166&r2=1.167, http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html, http://sourceforge.net/projects/expat/files/expat/2.1.0/, http://sourceforge.net/tracker/?func=detail&atid=110127&aid=2958794&group_id=10127, http://www.securityfocus.com/bid/52379, http://www.securitytracker.com/id/1034344, https://support.apple.com/HT205637

    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