| Package | Affected versions | Patched versions |
|---|---|---|
| org.apache.olingo:odata-client-proxy | ≥ 4.0.0, < 4.7.0 | 4.7.0 |
| olingo | ≥ 4.0.0, ≤ 4.6.0 |
Apache Olingo versions 4.0.0 to 4.6.0 provide the AbstractService class, which is public API, uses ObjectInputStream and doesn't check classes being deserialized. If an attacker can feed malicious metadata to the class, then it may result in running attacker's code in the worse case.
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