Stack-based buffer overflow in the _canonicalize function in common/uloc.c in International Components for Unicode (ICU) before 49.1 allows remote attackers to execute arbitrary code via a crafted locale ID that is not properly handled during variant canonicalization.
https://exchange.xforce.ibmcloud.com/vulnerabilities/71726
http://www.securityfocus.com/bid/51006
http://www.openwall.com/lists/oss-security/2011/12/09/5
http://www.openwall.com/lists/oss-security/2011/12/09/2
http://www.mandriva.com/security/advisories?name=MDVSA-2011:194
http://www.debian.org/security/2012/dsa-2397
http://ubuntu.com/usn/usn-1348-1
http://support.apple.com/kb/HT5503
http://support.apple.com/kb/HT5501
http://secunia.com/advisories/47775
http://secunia.com/advisories/47714
http://secunia.com/advisories/47674
http://secunia.com/advisories/47227
http://secunia.com/advisories/47146
http://rhn.redhat.com/errata/RHSA-2011-1815.html
http://lists.opensuse.org/opensuse-updates/2012-01/msg00035.html
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html