CVE-2011-4577
OpenSSL before 0.9.8s and 1.x before 1.0.0f, when RFC 3779 support is enabled, allows remote attackers to cause a denial of service (assertion failure) via an X.509 certificate containing certificate-extension data associated with (1) IP address blocks or (2) Autonomous System (AS) identifiers.
Date published : 2012-01-05
http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html