CVE-2025-66220

Envoy’s TLS certificate matcher for `match_typed_subject_alt_names` may incorrectly treat certificates containing an embedded null byte

CVSS 5 MEDIUMEPSS 0.2%CWE-170

Envoy is a high-performance edge/middle/service proxy. In 1.33.12, 1.34.10, 1.35.6, 1.36.2, and earlier, Envoy’s mTLS certificate matcher for match_typed_subject_alt_names may incorrectly treat certificates containing an embedded null byte (\0) inside an OTHERNAME SAN value as valid matches.

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N

Produtos afetados

envoyproxy · envoy

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Referências

https://github.com/envoyproxy/envoy/security/advisories/GHSA-rwjg-c3h2-f57p