Integer overflow in CoolType.dll in Adobe Reader 8.2.3 and 9.3.3, and Acrobat 9.3.3, allows remote attackers to execute arbitrary code via a TrueType font with a large maxCompositePoints value in a Maximum Profile (maxp) table.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11693
http://www.us-cert.gov/cas/techalerts/TA10-231A.html
http://securityevaluators.com/files/papers/CrashAnalysis.pdf