The (1) htmlentities (2) htmlspecialchars (3) str_getcsv (4) http_build_query (5) strpbrk and (6) strtr functions in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) by causing a userspace interruption of an internal function related to the call time pass by reference feature.