PT-2026-120559 · Apache · Apache Brpc
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A Thrift client in Apache bRPC (version < 1.18.0, built with WITH THRIFT which is off by default) can be crashed by the server peer it talks to. When the server returns a T EXCEPTION reply whose exception struct is malformed, the client decodes it without catching what Apache Thrift throws (TProtocolException, TTransportException or std::length error). The exception unwinds out of the bthread task function and the process calls std::terminate(), terminating the whole process along with every other in-flight RPC.
This is the client response path, so the adversary is the server peer, which THREAT MODEL.md treats as untrusted. It requires a WITH THRIFT build (off by default).
How to Fix:
- Upgrade bRPC to version 1.18.0, which fixes this issue.
- Apply this patch: https://github.com/apache/brpc/pull/3500
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