NVD Reference

Id
57541  
Name
 
Nvdinfo Id
10031  
Nvdinfo Name
CVE-2011-3379  
Reference
20110923 Security issue is_a function in PHP 5.3.7+  
Source
BUGTRAQ  
Url
http://www.securityfocus.com/archive/1/519770/30/0/threaded