CVE-2010-0421

Name	CVE-2010-0421
Description	Array index error in the hb_ot_layout_build_glyph_classes function in pango/opentype/hb-ot-layout.cc in Pango before 1.27.1 allows context-dependent attackers to cause a denial of service (application crash) via a crafted font file, related to building a synthetic Glyph Definition (aka GDEF) table by using this font's charmap and the Unicode property database.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-2019-1
Debian Bugs	574021

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
pango1.0 (PTS)	buster	1.42.4-8~deb10u1	fixed
	buster (security)	1.42.4-7~deb10u1	fixed
	bullseye	1.46.2-3	fixed
	bookworm	1.50.12+ds-1	fixed
	trixie	1.52.0+ds-1	fixed
	sid	1.52.1+ds-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
pango1.0	source	lenny	1.20.5-5+lenny1		DSA-2019-1
pango1.0	source	(unstable)	1.26.2-1			574021