lizhimins opened a new pull request, #10715:
URL: https://github.com/apache/rocketmq/pull/10715
## What is the purpose of the change
Upgrade fastjson 1.x from 1.2.83 to 1.2.84 and fastjson2 from 2.0.59 to
2.0.63 to address security vulnerabilities fixed in these releases.
## Security fixes addressed
- **fastjson2 2.0.63** (2026-07-29):
- Hardened AutoType class name validation and whitelist verification (URL
special character rejection, secondary text check after hash collision, accept
prefix no longer covers `ClassLoader`/`DataSource`/`RowSet` gadget base
classes) #7703
- Limited numeric literal digit count, fixed `BigInteger` O(n²) DoS #7668
- Fixed JSONB `BC_BIGINT` / `BC_BINARY` declared length OOM #7669
- **fastjson 1.2.84**: Corresponding security fixes for the 1.x line
## Verification
- Full `mvn clean install -DskipTests` compilation passes
- 17 serialization-related unit tests pass
(GenericMapSuperclassDeserializerTest, RemotingSerializableCompatTest,
DataVersionTest, BatchAckTest, TopicQueueMappingTest)
- Performance benchmark (2B scenario, medium cluster, 6000 TPS target):
- gRPC: TPS ratio 0.989, PASS
- Remoting: TPS ratio 0.982, PASS
- E2E regression: 461/462 tests pass (1 skipped), 0 failures across
metadata/grpc/remoting tags
## Brief changelog
- `pom.xml`: fastjson 1.2.83 → 1.2.84, fastjson2 2.0.59 → 2.0.63
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