CVE-2025-66220 - Envoy’s TLS certificate matcher for `match_typed_subject_alt_names` may incorrec...

CVE-2025-66220 - Envoy’s TLS certificate matcher for `match_typed_subject_alt_names` may incorrec...

CVE ID : CVE-2025-66220 Published : Dec. 3, 2025, 7:15 p.m. | 1 hour, 14 minutes ago Description : 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. Severity: 5.0 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
HIGH
Published
Dec. 3, 2025

Source: Telegram CVE Monitor