FreeType before 2.4.2 uses incorrect integer data types during bounds checking, which 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-2010-2807
• https://bugs.launchpad.net/ubuntu/maverick/+source/freetype/+bug/617019
• https://savannah.nongnu.org/bugs/?30657
• http://freetype.sourceforge.net/index2.html#release-freetype-2.4.2
• http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=346f1867fd32dae8f56e5b482d1af98f626804ac
• http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
• http://lists.apple.com/archives/security-announce/2010//Nov/msg00003.html
• http://marc.info/?l=oss-security&m=128111955616772&w=2
• http://secunia.com/advisories/40816
• http://secunia.com/advisories/40982
• http://secunia.com/advisories/42314
• http://secunia.com/advisories/42317
• http://sourceforge.net/projects/freetype/files/freetype2/2.4.2/NEWS/view
• http://support.apple.com/kb/HT4435
• http://support.apple.com/kb/HT4456
• http://support.apple.com/kb/HT4457
• http://www.securityfocus.com/bid/42285
• http://www.ubuntu.com/usn/USN-972-1
• http://www.vupen.com/english/advisories/2010/2018
• http://www.vupen.com/english/advisories/2010/2106
• http://www.vupen.com/english/advisories/2010/3045
• http://www.vupen.com/english/advisories/2010/3046