CVE-2008-3529
Heap-based buffer overflow in the xmlParseAttValueComplex function in parser.c in libxml2 before 2.7.0 allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via a long XML entity name.
Date published : 2008-09-12
http://lists.apple.com/archives/security-announce/2009/May/msg00000.html
http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html