Yii 2 (yiisoft/yii2) before version 2.0.38 is vulnerable to remote code execution if the application calls `unserialize()` on arbitrary user input. This is fixed in version 2.0.38. A possible workaround without upgrading is available in the linked advisory.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| yiisoft/yii2(Packagist) | 0 | 2.0.38 | N/A |
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