CVE-2011-2939

Publication date 13 January 2012

Last updated 24 July 2024

Off-by-one error in the decode_xs function in Unicode/Unicode.xs in the Encode module before 2.44, as used in Perl before 5.15.6, might allow context-dependent attackers to cause a denial of service (memory corruption) via a crafted Unicode string, which triggers a heap-based buffer overflow.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
perl	12.10 quantal	Not affected
	12.04 LTS precise	Not affected
	11.10 oneiric	Not affected
	11.04 natty	Ignored
	10.10 maverick	Ignored
	10.04 LTS lucid	Fixed 5.10.1-8ubuntu2.2
	8.04 LTS hardy	Not affected

Patch details

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

Package	Patch details
perl	Other: http://perl5.git.perl.org/perl.git/commitdiff/e46d973584785af1f445c4dedbee4243419cb860#patch5 Vendor: https://rhn.redhat.com/errata/RHSA-2011-1424.html

References

Related Ubuntu Security Notices (USN)

USN-1643-1
Perl vulnerabilities
30 November 2012

CVE-2011-2939

Status

Patch details

References

Related Ubuntu Security Notices (USN)

Other references