v1.36.11

envoyproxy/envoyv1.36.11Oct 1, 2026by publish-envoy[bot]

Upgrading?

AI Summary

Addresses a critical security vulnerability (CVE-2026-35189) by patching BoringSSL to fix excessive memory allocation during TLS handshakes. Deprecated Debian Bullseye packaging due to end-of-life.

Key Highlights

  • Fixed CVE-2026-35189 to prevent remote DoS during TLS handshakes
  • Removed Debian Bullseye (11) packaging due to end-of-life

Breaking Changes

  • Debian Bullseye (11) packaging has been removed

Full Release Notes

**Summary of changes**:

* Security fixes:
  - [CVE-2026-35189](https://github.com/google/boringssl/blob/main/docs/advisories/2026-09-29.md): tls: patched BoringSSL to fix excessive memory allocation when parsing certificates with `nameRelativeToCRLIssuer` CRL Distribution Points, which could be exploited for remote denial of service during TLS handshakes. Note that the FIPS build is not patched.

* Build/packaging:
  - Removed Debian bullseye (11) packaging, as bullseye is end-of-life and its repositories are no longer available on the main Debian mirrors.

**Docker images**:
    https://hub.docker.com/r/envoyproxy/envoy/tags?page=1&name=v1.36.11
**Docs**:
    https://www.envoyproxy.io/docs/envoy/v1.36.11/
**Release notes**:
    https://www.envoyproxy.io/docs/envoy/v1.36.11/version_history/v1.36/v1.36.11
**Full changelog**:
    https://github.com/envoyproxy/envoy/compare/v1.36.10...v1.36.11

Signed-off-by: Greg Greenway <ggreenway@apple.com>
Signed-off-by: Kateryna Nezdolii <kateryna.nezdolii@gmail.com>
Signed-off-by: Ryan Northey <ryan@synca.io>

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