CVE-2012-6139

Publication date 26 March 2013

Last updated 24 July 2024

Ubuntu priority

libxslt before 1.1.28 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an (1) empty match attribute in a XSL key to the xsltAddKey function in keys.c or (2) uninitialized variable to the xsltDocumentFunction function in functions.c.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libxslt	12.10 quantal	Fixed 1.1.26-14ubuntu0.1
	12.04 LTS precise	Fixed 1.1.26-8ubuntu1.3
	11.10 oneiric	Fixed 1.1.26-7ubuntu0.2
	10.04 LTS lucid	Fixed 1.1.26-1ubuntu1.2
	8.04 LTS hardy	Fixed 1.1.22-1ubuntu1.4

Notes

jdstrand

could reproduce 685328 on all releases but not 685330. PoCs in bugs (be sure to use 'Save As' in your browser when downloading PoCs)

Patch details

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

Package	Patch details
libxslt	Upstream: ?id=dc1 Upstream: ?id=6c9

References

Related Ubuntu Security Notices (USN)