CVE-2011-0064

Name	CVE-2011-0064
Description	The hb_buffer_ensure function in hb-buffer.c in HarfBuzz, as used in Pango 1.28.3, Firefox, and other products, does not verify that memory reallocations succeed, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or possibly execute arbitrary code via crafted OpenType font data that triggers use of an incorrect index.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-2178-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
pango1.0 (PTS)	bullseye	1.46.2-3	fixed
	bookworm	1.50.12+ds-1	fixed
	trixie	1.56.3-1	fixed
	forky, sid	1.56.3-2	fixed

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

Package	Type	Release	Fixed Version	Origin
pango1.0	source	lenny	(not affected)
pango1.0	source	squeeze	1.28.3-1+squeeze2	DSA-2178-1
pango1.0	source	wheezy	1.28.3-1+squeeze2
pango1.0	source	(unstable)	1.28.3-2~sid1

[lenny] - pango1.0 <not-affected> (introduced in code cleanup)