CVE-2011-4603

Name	CVE-2011-4603
Description	The silc_channel_message function in ops.c in the SILC protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted message, a different vulnerability than CVE-2011-3594.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
pidgin (PTS)	jessie, jessie (lts)	2.11.0-0+deb8u2	fixed
	stretch (security), stretch (lts), stretch	2.12.0-1+deb9u1	fixed
	buster	2.13.0-2	fixed
	bullseye	2.14.1-1	fixed
	bookworm	2.14.12-1	fixed
	sid, trixie	2.14.13-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
pidgin	source	squeeze	2.7.3-1+squeeze2
pidgin	source	(unstable)	2.10.1-1	low