DescriptionStack-based buffer overflow in the cf2_hintmap_build function in cff/cf2hints.c in FreeType before 2.5.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large number of stem hints in a font file.
SourceCVE (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 Bugs741299

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
freetype (PTS)buster2.9.1-3+deb10u3fixed
buster (security)2.9.1-3+deb10u2fixed
bookworm, sid2.12.1+dfsg-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
freetypesourcesqueeze(not affected)
freetypesourcewheezy(not affected)


[wheezy] - freetype <not-affected> (vuln. code introduced around 2.5)
[squeeze] - freetype <not-affected> (vuln. code introduced around 2.5)

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