Medium [CVE-2026-82953] NULL pointer dereference in the RTMP protocol implementation in Apache bRPC (version < 1.18.0) on all platforms allows remote attackers to crash the server (denial of service) via a crafted createStream command
This medium-severity Apache Software Foundation advisory covers CVE-2026-82953; related products: Apache bRPC.
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Summary
NULL pointer dereference in the RTMP protocol implementation in Apache bRPC (version _onfail_id, causing the process to crash.
Affected Scenarios: Run an Apache bRPC RTMP server whose RtmpService::NewStream() may return null (i.e., the service rejects createStream requests).
A remote client that sends a createStream command and then closes the connection before the rejection response is written can crash the server.
How to Fix: (Choose one of the following options)
1. Upgrade bRPC to version 1.18.0, which fixes this issue.
2. Apply this patch:
- Apache bRPC before 1.18.0
Official advisory · high-confidence parse· fetched 7 days ago·verify at source
Mitigation checklist
- Upgrade bRPC to version 1.18.0, which fixes this issue.
- Apply this patch: https://github.com/apache/brpc/pull/3508
Official advisory · high-confidence parse· fetched 7 days ago·verify at source
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