libxml2 2.9.0-rc1 and earlier, as used in Google Chrome before 21.0.1180.89, does not properly support a cast of an unspecified variable during handling of XSL transforms, which allows remote attackers to cause a denial of service or possibly have unknown other impact via a crafted document, related to the _xmlNs data structure in include/libxml/tree.h.
code.google.com/p/chromium/issues/detail?id=138673
googlechromereleases.blogspot.com/2012/08/stable-channel-update_30.html
lists.apple.com/archives/security-announce/2013/Oct/msg00009.html
lists.apple.com/archives/security-announce/2013/Sep/msg00006.html
lists.opensuse.org/opensuse-security-announce/2012-09/msg00030.html
secunia.com/advisories/50838
secunia.com/advisories/54886
src.chromium.org/viewvc/chrome/trunk/src/third_party/libxml/src/include/libxml/tree.h?r1=56276&r2=149930
src.chromium.org/viewvc/chrome/trunk/src/third_party/libxml/src/include/libxml/tree.h?view=log
support.apple.com/kb/HT5934
support.apple.com/kb/HT6001
www.debian.org/security/2012/dsa-2555
www.mandriva.com/security/advisories?name=MDVSA-2012:164
chromiumcodereview.appspot.com/10824157
exchange.xforce.ibmcloud.com/vulnerabilities/78179