| Package | Affected versions | Patched versions |
|---|---|---|
| php | = 4.0≥ 4.0.0, < 4.4.5≥ 5.0.0, < 5.2.1 | 4.4.55.2.1 |
The zend_hash_init function in PHP 5 before 5.2.1 and PHP 4 before 4.4.5, when running on a 64-bit platform, allows context-dependent attackers to cause a denial of service (infinite loop) by unserializing certain integer expressions, which only cause 32-bit arguments to be used after the check for a negative value, as demonstrated by an "a:2147483649:{" argument.
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