CVE-2012-0841

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    CVE-2012-0841

    Published: 21 Dec 2012Last Modified: 10 Apr 2026

    Summary:

    Details: libxml2 before 2.8.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data.

    References: http://rhn.redhat.com/errata/RHSA-2012-0324.html, http://rhn.redhat.com/errata/RHSA-2013-0217.html, http://secunia.com/advisories/54886, http://secunia.com/advisories/55568, http://www.debian.org/security/2012/dsa-2417, http://www.mandriva.com/security/advisories?name=MDVSA-2013:150, https://blogs.oracle.com/sunsecurity/entry/cve_2012_0841_denial_of, http://www.securityfocus.com/bid/52107, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=660846, http://git.gnome.org/browse/libxml2/commit/?id=8973d58b7498fa5100a876815476b81fd1a2412a, http://lists.apple.com/archives/security-announce/2013/Oct/msg00009.html, http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html, http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.html, http://securitytracker.com/id?1026723, http://support.apple.com/kb/HT5934, http://support.apple.com/kb/HT6001, http://www.openwall.com/lists/oss-security/2012/02/22/1, http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html, http://www.xerox.com/download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdf, http://xmlsoft.org/news.html

    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