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    CVE-2014-3660

    parser.c in libxml2 before 2.9.2 does not properly prevent entity expansion even when entity substitution has been disabled, which allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted XML document containing a large number of nested entity references, a variant of the "billion laughs" attack.

    Published:Oct 16, 2014
    Last Modified:Apr 12, 2025
    EPS:Nov 4, 2014
    EPSS Score:0.05353
    CVSS Score:5

    Affected Products

    Vendor
    Apple
    Product
    Mac Os X
    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Xmlsoft
    Product
    Libxml2

    Exploits

    No exploit reference

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    References

    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
    http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
    http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html
    http://lists.opensuse.org/opensuse-updates/2014-10/msg00034.html
    http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
    http://rhn.redhat.com/errata/RHSA-2014-1655.html
    http://rhn.redhat.com/errata/RHSA-2014-1885.html
    http://secunia.com/advisories/59903
    http://secunia.com/advisories/61965
    http://secunia.com/advisories/61966
    http://secunia.com/advisories/61991
    http://www.debian.org/security/2014/dsa-3057
    http://www.mandriva.com/security/advisories?name=MDVSA-2014:244
    http://www.openwall.com/lists/oss-security/2014/10/17/7
    http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
    http://www.securityfocus.com/bid/70644
    http://www.ubuntu.com/usn/USN-2389-1
    https://bugzilla.redhat.com/attachment.cgi?id=944444&action=diff
    https://bugzilla.redhat.com/show_bug.cgi?id=1149084
    https://support.apple.com/kb/HT205030
    https://support.apple.com/kb/HT205031
    https://www.ncsc.nl/actueel/nieuwsberichten/kwetsbaarheid-ontdekt-in-libxml2.html
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
    http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
    http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html
    http://lists.opensuse.org/opensuse-updates/2014-10/msg00034.html
    http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
    http://rhn.redhat.com/errata/RHSA-2014-1655.html
    http://rhn.redhat.com/errata/RHSA-2014-1885.html
    http://secunia.com/advisories/59903
    http://secunia.com/advisories/61965
    http://secunia.com/advisories/61966
    http://secunia.com/advisories/61991
    http://www.debian.org/security/2014/dsa-3057
    http://www.mandriva.com/security/advisories?name=MDVSA-2014:244
    http://www.openwall.com/lists/oss-security/2014/10/17/7
    http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
    http://www.securityfocus.com/bid/70644
    http://www.ubuntu.com/usn/USN-2389-1
    https://bugzilla.redhat.com/attachment.cgi?id=944444&action=diff
    https://bugzilla.redhat.com/show_bug.cgi?id=1149084
    https://support.apple.com/kb/HT205030
    https://support.apple.com/kb/HT205031
    https://www.ncsc.nl/actueel/nieuwsberichten/kwetsbaarheid-ontdekt-in-libxml2.html

    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