{"id":"CVE-2025-61727","details":"An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not prevent a leaf certificate from claiming the SAN *.example.com.","aliases":["BIT-golang-2025-61727","GO-2025-4175"],"modified":"2026-04-02T12:57:27.267183Z","published":"2025-12-03T20:16:25.607Z","related":["CGA-h5w2-2hch-h662","MGASA-2025-0326","SUSE-SU-2025:21192-1","SUSE-SU-2025:21193-1","SUSE-SU-2025:4336-1","SUSE-SU-2025:4337-1","SUSE-SU-2025:4395-1","SUSE-SU-2026:0296-1","SUSE-SU-2026:0297-1","SUSE-SU-2026:0298-1","SUSE-SU-2026:0308-1","SUSE-SU-2026:20623-1","SUSE-SU-2026:20629-1","openSUSE-SU-2025:15795-1","openSUSE-SU-2025:15796-1","openSUSE-SU-2025:15807-1","openSUSE-SU-2025:15817-1","openSUSE-SU-2025:20157-1","openSUSE-SU-2025:20158-1","openSUSE-SU-2026:10031-1","openSUSE-SU-2026:20301-1","openSUSE-SU-2026:20308-1"],"references":[{"type":"ADVISORY","url":"https://pkg.go.dev/vuln/GO-2025-4175"},{"type":"ADVISORY","url":"https://groups.google.com/g/golang-announce/c/8FJoBkPddm4"},{"type":"REPORT","url":"https://go.dev/issue/76442"},{"type":"FIX","url":"https://go.dev/cl/723900"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/golang/go","events":[{"introduced":"0"},{"fixed":"1296453960bac0fb5675853c40e3747e5237e16e"},{"introduced":"6e676ab2b809d46623acb5988248d95d1eb7939c"},{"fixed":"fefb02adf45c4bcc879bd406a8d61f2a292c26a9"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.24.11"},{"introduced":"1.25"},{"fixed":"1.25.5"}]}}],"versions":["go1","go1.0.1","go1.0.2","go1.0.3","go1.1","go1.1.1","go1.1.2","go1.10","go1.10.1","go1.10.2","go1.10.3","go1.10.4","go1.10.5","go1.10.6","go1.10.7","go1.10.8","go1.10beta1","go1.10beta2","go1.10rc1","go1.10rc2","go1.11","go1.11.1","go1.11.10","go1.11.11","go1.11.12","go1.11.13","go1.11.2","go1.11.3","go1.11.4","go1.11.5","go1.11.6","go1.11.7","go1.11.8","go1.11.9","go1.11beta1","go1.11beta2","go1.11beta3","go1.11rc1","go1.11rc2","go1.12","go1.12.1","go1.12.10","go1.12.11","go1.12.12","go1.12.13","go1.12.14","go1.12.15","go1.12.16","go1.12.17","go1.12.2","go1.12.3","go1.12.4","go1.12.5","go1.12.6","go1.12.7","go1.12.8","go1.12.9","go1.12beta1","go1.12beta2","go1.12rc1","go1.13","go1.13.1","go1.13.10","go1.13.11","go1.13.12","go1.13.13","go1.13.14","go1.13.15","go1.13.2","go1.13.3","go1.13.4","go1.13.5","go1.13.6","go1.13.7","go1.13.8","go1.13.9","go1.13beta1","go1.13rc1","go1.13rc2","go1.14","go1.14.1","go1.14.10","go1.14.11","go1.14.12","go1.14.13","go1.14.14","go1.14.15","go1.14.2","go1.14.3","go1.14.4","go1.14.5","go1.14.6","go1.14.7","go1.14.8","go1.14.9","go1.14beta1","go1.14rc1","go1.15","go1.15.1","go1.15.10","go1.15.11","go1.15.12","go1.15.13","go1.15.14","go1.15.15","go1.15.2","go1.15.3","go1.15.4","go1.15.5","go1.15.6","go1.15.7","go1.15.8","go1.15.9","go1.15beta1","go1.15rc1","go1.15rc2","go1.16","go1.16.1","go1.16.10","go1.16.11","go1.16.12","go1.16.13","go1.16.14","go1.16.15","go1.16.2","go1.16.3","go1.16.4","go1.16.5","go1.16.6","go1.16.7","go1.16.8","go1.16.9","go1.16beta1","go1.16rc1","go1.17","go1.17.1","go1.17.10","go1.17.11","go1.17.12","go1.17.13","go1.17.2","go1.17.3","go1.17.4","go1.17.5","go1.17.6","go1.17.7","go1.17.8","go1.17.9","go1.17beta1","go1.17rc1","go1.17rc2","go1.18","go1.18.1","go1.18.10","go1.18.2","go1.18.3","go1.18.4","go1.18.5","go1.18.6","go1.18.7","go1.18.8","go1.18.9","go1.18beta1","go1.18beta2","go1.18rc1","go1.19","go1.19.1","go1.19.10","go1.19.11","go1.19.12","go1.19.13","go1.19.2","go1.19.3","go1.19.4","go1.19.5","go1.19.6","go1.19.7","go1.19.8","go1.19.9","go1.19beta1","go1.19rc1","go1.19rc2","go1.1rc2","go1.1rc3","go1.2","go1.2.1","go1.2.2","go1.20","go1.20.1","go1.20.10","go1.20.11","go1.20.12","go1.20.13","go1.20.14","go1.20.2","go1.20.3","go1.20.4","go1.20.5","go1.20.6","go1.20.7","go1.20.8","go1.20.9","go1.20rc1","go1.20rc2","go1.20rc3","go1.21.0","go1.21.1","go1.21.10","go1.21.11","go1.21.12","go1.21.13","go1.21.2","go1.21.3","go1.21.4","go1.21.5","go1.21.6","go1.21.7","go1.21.8","go1.21.9","go1.21rc1","go1.21rc2","go1.21rc3","go1.21rc4","go1.22.0","go1.22.1","go1.22.10","go1.22.11","go1.22.12","go1.22.2","go1.22.3","go1.22.4","go1.22.5","go1.22.6","go1.22.7","go1.22.8","go1.22.9","go1.22rc1","go1.22rc2","go1.23.0","go1.23.1","go1.23.10","go1.23.11","go1.23.12","go1.23.2","go1.23.3","go1.23.4","go1.23.5","go1.23.6","go1.23.7","go1.23.8","go1.23.9","go1.23rc1","go1.23rc2","go1.24.0","go1.24.1","go1.24.10","go1.24.2","go1.24.3","go1.24.4","go1.24.5","go1.24.6","go1.24.7","go1.24.8","go1.24.9","go1.24rc1","go1.24rc2","go1.24rc3","go1.25.0","go1.25.1","go1.25.2","go1.25.3","go1.25.4","go1.25rc1","go1.25rc2","go1.25rc3","go1.26.0","go1.26.1","go1.26rc1","go1.26rc2","go1.26rc3","go1.2rc2","go1.2rc3","go1.2rc4","go1.2rc5","go1.3","go1.3.1","go1.3.2","go1.3.3","go1.3beta1","go1.3beta2","go1.3rc1","go1.3rc2","go1.4","go1.4.1","go1.4.2","go1.4.3","go1.4beta1","go1.4rc1","go1.4rc2","go1.5","go1.5.1","go1.5.2","go1.5.3","go1.5.4","go1.5beta1","go1.5beta2","go1.5beta3","go1.5rc1","go1.6","go1.6.1","go1.6.2","go1.6.3","go1.6.4","go1.6beta1","go1.6beta2","go1.6rc1","go1.6rc2","go1.7","go1.7.1","go1.7.2","go1.7.3","go1.7.4","go1.7.5","go1.7.6","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