CVE-2011-2939

Name	CVE-2011-2939
Description	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs	637376

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libencode-perl (PTS)	buster	3.00-1+deb10u1	fixed
	bullseye	3.08-1+deb11u2	fixed
	bullseye (security)	3.08-1+deb11u1	fixed
	bookworm, sid	3.19-1	fixed
perl (PTS)	buster	5.28.1-6+deb10u1	fixed
	bullseye	5.32.1-4+deb11u2	fixed
	bullseye (security)	5.32.1-4+deb11u1	fixed
	bookworm, sid	5.34.0-5	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Debian Bugs
libencode-perl	source	(unstable)	2.44-1	low
perl	source	squeeze	5.10.1-17squeeze3
perl	source	(unstable)	5.12.4-4	low	637376

[lenny] - perl <no-dsa> (Minor issue)