CVE-2013-0338

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-04-25 · updated 2026-06-16
Weakness: CWE-119

Description

libxml2 2.9.0 and earlier allows context-dependent attackers to cause a denial of service (CPU and memory consumption) via an XML file containing an entity declaration with long replacement text and many references to this entity, aka "internal entity expansion" with linear complexity.

Affected products

Canonical Ubuntu Linux: 8.04, 10.04, 11.10, 12.04, 12.10
Opensuse: 12.1, 12.2, 12.3
xmlsoft libxml2: through 2.9.0; 1.7.0, 1.7.1, 1.7.2, 1.7.3, 1.7.4, 1.8.0 (+119)

References

http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.html
http://lists.opensuse.org/opensuse-updates/2013-03/msg00112.html
http://lists.opensuse.org/opensuse-updates/2013-03/msg00114.html
http://marc.info/?l=bugtraq&m=142798889927587&w=2
http://secunia.com/advisories/52662
http://secunia.com/advisories/55568
http://www.debian.org/security/2013/dsa-2652
http://www.mandriva.com/security/advisories?name=MDVSA-2013:056
http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
http://www.ubuntu.com/usn/USN-1782-1
https://bugzilla.redhat.com/show_bug.cgi?id=912400
https://git.gnome.org/browse/libxml2/commit/?id=23f05e0c33987d6605387b300c4be5da2120a7ab

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