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| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| com.alibaba:hessian-lite | maven | <= 3.2.12 | 3.2.13 |
| org.apache.dubbo:dubbo | maven | >= 2.7.0, <= 2.7.17 | 2.7.18 |
| org.apache.dubbo:dubbo | maven | >= 3.0.0, <= 3.0.11 | 3.0.12 |
| org.apache.dubbo:dubbo | maven | = 3.1.0 | 3.1.1 |
The vulnerability stems from insecure deserialization in hessian-lite <=3.2.12. The patch in 3.2.13 explicitly added checks for Serializable implementation and updated deny lists, indicating that prior versions lacked these critical validations. The SerializerFactory's deserializer resolution (getObjectDeserializer) and the core deserialization entry point (Hessian2Input.readObject) are the logical points where these security controls were missing. Dubbo's dependency updates to hessian-lite 3.2.13 in their patched versions confirm the root cause lies in hessian-lite's deserialization logic.
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