CVE-2011-3594

Name	CVE-2011-3594
Description	The g_markup_escape_text function in the SILC protocol plug-in in libpurple 2.10.0 and earlier, as used in Pidgin and possibly other products, allows remote attackers to cause a denial of service (crash) via invalid UTF-8 sequences that trigger use of invalid pointers and an out-of-bounds read, related to interactions with certain versions of glib2.
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	unimportant

relatively obscure client crash