- Patched numerous CVEs affecting authz, gRPC, OAuth2, TLS, HTTP/3, and other components, addressing crashes, memory safety, and certificate handling bugs.
- Disabled the contrib extension envoy.network.connection_balance.dlb at the Bazel layer due to upstream source breakage and disabled Brotli TLS certificate compression by default (runtime guard change).
- Updated documentation, release notes, and Docker image tags for v1.38.3.
v1.38.3
Official Envoy changelog summary with source attribution, release tags, and community reactions.
Track this Envoy release note alongside related changelog updates, risky changes, and weekly digest signals from the developer community.
Verify the original release note
Every summary should remain traceable to the original changelog or release source.
Follow this in context
Turn this Envoy release note into a weekly digest for the tools you actually use.
Create digestMore Envoy changelog updates
Build system upgraded to Bazel 8 (breaking) with workspace mode changes and Intel DLB balancer disabled; new dynamic module extension points and Rust SDK enhancements added.
Multiple security fixes targeting a range of CVEs, including authz crashes, OAuth2 vulnerabilities, TLS SAN bypass, and HTTP/3 denial‑of‑service issues.
Applied upstream security patches for numerous CVEs covering authz crashes, OAuth2 padding oracle, TLS SAN bypass, HTTP/3 QPACK DoS, and other vulnerabilities.