Netty Fixes Undetected Stream Truncation in Chunked OHTTP Messages
Netty incubator codec.bhttp version 0.0.22.Final has been released to address CVE-2026-48480. This vulnerability allowed undetected stream truncation in chunked-OHTTP messages due to a lack of verification for cryptographically-signed final chunks. The fix prevents on-path adversaries from forwarding incomplete OHTTP messages without detection.
Key Takeaways
- Netty incubator codec.bhttp version 0.0.22.Final resolves CVE-2026-48480.
- The vulnerability permitted undetected stream truncation in chunked-OHTTP messages.
- The issue stemmed from a lack of verification for cryptographically-signed final chunks.
- On-path adversaries could forward incomplete OHTTP messages without detection.
- The solution requires updating to version 0.0.22.Final or later and verifying signed final chunks.
Why It Matters
This patch is critical for maintaining data integrity and security within streaming protocols that utilize OHTTP, preventing malicious actors from covertly truncating message streams. In an ecosystem reliant on secure and complete data delivery, an undetected truncation vulnerability could lead to corrupted content, failed handshakes, or information loss without immediate flags. Organizations using netty-incubator-codec-ohttp should prioritize this update to mitigate potential security risks and ensure the reliability of their OHTTP communications, focusing on patch deployment and verification of final chunk integrity.
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