CVE-2008-4225
Integer overflow in the xmlBufferResize function in libxml2 2.7.2 allows context-dependent attackers to cause a denial of service (infinite loop) via a large XML document.
Date published : 2008-11-25
http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html
http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html