CVE-2009-0591
The CMS_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote attackers to repudiate a signature that originally appeared to be valid but was actually invalid.
Date published : 2009-03-27
http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html