CVE-2013-0338

Publication date 26 February 2013

Last updated 24 July 2024

Ubuntu priority

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libxml2	12.10 quantal	Fixed in 2.8.0+dfsg1-5ubuntu2.2
	12.04 LTS precise	Fixed in 2.7.8.dfsg-5.1ubuntu4.4
	11.10 oneiric	Fixed in 2.7.8.dfsg-4ubuntu0.6
	10.04 LTS lucid	Fixed in 2.7.6.dfsg-1ubuntu1.8
	8.04 LTS hardy	Fixed in 2.6.31.dfsg-2ubuntu1.12

Notes

jdstrand

PoC in oss-sec

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libxml2	Upstream: ?id=23f Vendor: http://www.debian.org/security/2013/dsa-2652

References

Related Ubuntu Security Notices (USN)

USN-1782-1
libxml2 vulnerability
28 March 2013