Buffer underflow in the PHP_FILTER_TRIM_DEFAULT macro in the filtering extension (ext/filter) in PHP 5.2.0 allows context-dependent attackers to execute arbitrary code by calling filter_var with certain modes such as FILTER_VALIDATE_INT, which causes filter to write a null byte in whitespace that precedes the buffer.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Php | Php | 5.2.0 (including) | 5.2.0 (including) |