| Package | Affected versions | Patched versions |
|---|---|---|
| php | ≥ 4.0.0, < 4.4.5≥ 5.0.0, < 5.2.1 | 4.4.55.2.1 |
PHP 4 before 4.4.5, and PHP 5 before 5.2.1, when register_globals is enabled, allows context-dependent attackers to execute arbitrary code via deserialization of session data, which overwrites arbitrary global variables, as demonstrated by calling session_decode on a string beginning with "_SESSION|s:39:".
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