Integer underflow in glyph handling in FreeType before 2.4.0 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted font file.

References

• https://nvd.nist.gov/vuln/detail/CVE-2010-2497
• https://bugzilla.redhat.com/show_bug.cgi?id=613154
• https://savannah.nongnu.org/bugs/?30082
• https://savannah.nongnu.org/bugs/?30083
• http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7d3d2cc4fef72c6be9c454b3809c387e12b44cfc
• http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
• http://lists.nongnu.org/archive/html/freetype/2010-07/msg00001.html
• http://marc.info/?l=oss-security&m=127905701201340&w=2
• http://marc.info/?l=oss-security&m=127909326909362&w=2
• http://secunia.com/advisories/48951
• http://support.apple.com/kb/HT4435
• http://www.debian.org/security/2010/dsa-2070
• http://www.mandriva.com/security/advisories?name=MDVSA-2010:137