CVE-2012-5134

Heap-based buffer underflow in the xmlParseAttValueComplex function in parser.c in libxml2 2.9.0 and earlier, as used in Google Chrome before 23.0.1271.91 and other products, allows remote attackers to cause a denial of service or possibly execute arbitrary code via crafted entities in an XML document.

Date published : 2012-11-27

http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html

http://lists.apple.com/archives/security-announce/2013/Oct/msg00009.html