{"action":"Upgrade stunnel4 to 3:4.22-1.1 or later.","affected":[{"fixed":"3:4.22-1.1","introduced":"0"}],"component":"stunnel4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["3:4.22-1.1"],"id":"tcs_01M5N91S8CTDJJZFGS287QR2CB","modified_at":"2026-10-23T17:47:45.653211052Z","published_at":"2008-05-23T15:32:00Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2008-2420","https://security-tracker.debian.org/tracker/CVE-2008-2420"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2008-2420","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2008-2420"}],"summary":"The OCSP functionality in stunnel before 4.24 does not properly search certificate revocation lists (CRL), which allows remote attackers to bypass intended access restrictions by using revoked certifi"}