CVE-2014-3660

libxml2 < 2.9.2 - Denial of Service via Entity Expansion

Title source: llm
STIX 2.1

Description

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.

References (23)

Core 23
Core References
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/59903
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2014/dsa-3057
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT205030
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/70644
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2014-10/msg00034.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/61966
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/61965
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2389-1
Mailing List vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
Patch mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2014/10/17/7
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2014:244
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2014-1655.html
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1149084
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/61991
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT205031
Mailing List vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2014-1885.html

Scores

EPSS 0.0399
EPSS Percentile 89.4%

Details

Status published
Products (49)
apple/mac_os_x < 10.10.4
canonical/ubuntu_linux 10.04
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
debian/debian_linux 7.0
redhat/enterprise_linux 5.0
xmlsoft/libxml2 2.0.0
xmlsoft/libxml2 2.1.0
xmlsoft/libxml2 2.1.1
xmlsoft/libxml2 2.2.0 (2 CPE variants)
... and 39 more
Published Nov 04, 2014
Tracked Since Feb 18, 2026