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CVE-2026-82231high7.5

Apache bRPC: Malformed Thrift T_EXCEPTION reply causes process termination in Thrift client

Impact

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.

Source excerpt · apache
Applies when

It requires a WITH_THRIFT build (off by default).

What to do

Upgrade bRPC to version 1.18.0, which fixes this issue.

apache guidance

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Apache Software Foundation · apache

Apache bRPC

1 range
apache version evidence

Package identity

pkg:github/apache/brpc

Identity supplied by apache. Version matching requires compatible range evidence.

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affected

0 → before 1.18.0

semver versions

unaffected

unknown

Other versions: unaffected

Original source description

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:

  1. Upgrade bRPC to version 1.18.0, which fixes this issue.
  2. Apply this patch: https://github.com/apache/brpc/pull/3500

Inside the record

Evidence available

Package identity
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-82231

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cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-248 ↗

CWE-248 Uncaught Exception

apache

Related →
Contributing organizations · 2
apache

Assigning organization

2026-10-21
CISA-ADP

Additional data publisher

2026-10-30

What changed

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References

1 sources
lists.apache.org/thread/2pf15ojj0vr7rtx95677kgtl1mx3gdgb
vendor-advisoryapache