GHSA-m7v5-m3p2-6w26HighCVSS 7.5

Uncontrolled recursion in the Redis reply parser in Apache bRPC < 1.18.0 allows a remote Redis...

Published
October 21, 2026
Last Modified
October 30, 2026

🔗 CVE IDs covered (1)

📋 Description

Uncontrolled recursion in the Redis reply parser in Apache bRPC < 1.18.0 allows a remote Redis server peer to crash a bRPC Redis client process by returning a deeply nested RESP array reply. The parser recursed once for each nested array level without enforcing a depth limit. The fix adds a configurable Redis reply depth limit with default value 128 and rejects replies exceeding that limit. 

Affected Scenarios: Applications using bRPC as a Redis client with ChannelOptions.protocol="redis" and receiving replies from an untrusted or faulty Redis server peer.

How to Fix:

  1. Upgrade Apache bRPC to 1.18.0.
  2. Apply the patch from PR https://github.com/apache/brpc/pull/3344 .

Note: After applying the fix, Redis replies with array nesting deeper than redis_max_reply_depth are rejected.

🔗 References (3)