{"id":"BIT-envoy-2025-66220","summary":"Envoy’s TLS certificate matcher for `match_typed_subject_alt_names` may incorrectly treat certificates containing an embedded null byte","details":"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.","aliases":["CVE-2025-66220","GHSA-rwjg-c3h2-f57p"],"modified":"2026-09-08T08:47:31.861147260Z","published":"2025-12-06T11:38:21.122Z","database_specific":{"cpes":["cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*","cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:go:*:*"],"severity":"High"},"references":[{"type":"ADVISORY","url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-rwjg-c3h2-f57p"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66220"}],"affected":[{"package":{"name":"envoy","ecosystem":"Bitnami","purl":"pkg:bitnami/envoy"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.33.13"},{"introduced":"1.34.0"},{"fixed":"1.34.11"},{"introduced":"1.35.0"},{"fixed":"1.35.7"},{"introduced":"1.36.0"},{"fixed":"1.36.3"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/envoy/BIT-envoy-2025-66220.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N"}]}],"schema_version":"1.9.0"}