system
Describe <CVE-2012-0781>.
user
What is <CVE-2012-0781>?
assistant
The tidy_diagnose function in PHP 5.3.8 might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted input to an application that attempts to perform Tidy::diagnose operations on invalid objects, a different vulnerability than CVE-2011-4153..