{"id":"CVE-2017-8301","aliases":["ALPINE-CVE-2017-8301","BELL-CVE-2017-8301","EUVD-2017-17262","GHSA-phvv-c9gw-v54h"],"status":"published","title":"LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied...","description":"LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01041,"percentile":0.64227,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-295"],"published":"2017-04-27T17:00:00Z","modified":"2026-10-20T10:49:34Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"libressl","fixed_in":["2.5.3-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"libressl","fixed_in":["2.5.3-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"libressl","fixed_in":["2.5.3-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"libressl","fixed_in":["2.5.3-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.6","package":"libressl","fixed_in":["2.5.3-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.7","package":"libressl","fixed_in":["2.5.3-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.8","package":"libressl","fixed_in":["2.5.3-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.9","package":"libressl","fixed_in":["2.5.3-r1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.10","package":"libressl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.3-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.11","package":"libressl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.3-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"libressl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.3-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"libressl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.3-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.6","package":"libressl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.3-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.7","package":"libressl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.3-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.8","package":"libressl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.3-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.9","package":"libressl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.3-r1"}]}]}],"products":[{"vendor":"openbsd","product":"libressl"}],"references":[{"url":"http://seclists.org/oss-sec/2017/q2/145","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://github.com/libressl-portable/portable/issues/307","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://trac.nginx.org/nginx/ticket/1257","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"http://www.securityfocus.com/bid/98076","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-8301"},{"url":"https://github.com/advisories/GHSA-phvv-c9gw-v54h"},{"url":"https://security.alpinelinux.org/vuln/CVE-2017-8301","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2017-8301","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2017-8301","description":"LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx.","status":"published","published":"2017-04-27T17:00:00Z","modified":"2024-08-05T16:34:22.062Z","updated_at":"2026-11-02T14:33:15.201133Z"}],"euvd":[{"id":"EUVD-2017-17262","description":"LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx.","status":"published","published":"2017-04-27T17:00:00Z","modified":"2024-08-05T16:34:22Z","updated_at":"2026-11-03T02:39:05.933017Z"}],"ghsa":[{"id":"GHSA-phvv-c9gw-v54h","title":"LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied...","description":"LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx.","status":"published","published":"2022-05-13T01:47:28Z","modified":"2023-02-02T05:01:30Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:51:12.391632Z"}],"nvd":[{"id":"CVE-2017-8301","description":"LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx.","status":"published","published":"2017-04-27T17:59:00.187Z","modified":"2026-06-17T01:26:09.117Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:03:46.08744Z"}],"osv":[{"id":"ALPINE-CVE-2017-8301","description":"LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx.","status":"published","published":"2017-04-27T17:59:00.187Z","modified":"2026-06-15T18:24:19.040325396Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:27:47.187336Z"},{"id":"BELL-CVE-2017-8301","title":"CVE-2017-8301 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:14:24.183478Z","modified":"2026-01-26T09:47:34.636251Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:28:14.701973Z"},{"id":"CVE-2017-8301","description":"LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx.","status":"published","published":"2017-04-27T17:59:00.187Z","modified":"2026-10-20T10:49:34.29081115Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:06.868403Z"}]}}