{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"haskell-crypton-x509-validation","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":[],"id":"tcs_01M5NX1W75H2H25NPAH6EXV408","modified_at":"2026-10-27T09:47:29.758762556Z","published_at":"2026-06-11T16:16:25.503Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-9648","https://security-tracker.debian.org/tracker/CVE-2026-9648"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-9648#Debian:14/haskell-crypton-x509-validation","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-9648"}],"summary":"The crypton-x509-validation Haskell library fails to enforce X.509 NameConstraints, allowing TLS clients to accept certificates whose Subject Alternative Names fall outside the issuing CA’s permitted"}