{"id":"CVE-2005-2151","aliases":["DEBIAN-CVE-2005-2151","DSA-784-1","EUVD-2005-2152","GHSA-j458-3qc3-3hff"],"status":"published","title":"spf.c in Courier Mail Server does not properly handle DNS failures when looking up Sender Policy...","description":"spf.c in Courier Mail Server does not properly handle DNS failures when looking up Sender Policy Framework (SPF) records, which could allow attackers to cause memory corruption.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0092,"percentile":0.60515,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2005-07-06T04:00:00Z","modified":"2026-10-23T03:47:28Z","fixes":[{"ecosystem":"Debian:12","package":"courier","fixed_in":["0.47-6"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"courier","fixed_in":["0.47-6"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"courier","fixed_in":["0.47-6"],"sources":["osv"]},{"ecosystem":"Debian:3.1","package":"courier","fixed_in":["0.47-4sarge1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"courier","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.47-6"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"courier","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.47-6"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"courier","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.47-6"}]}]},{"source":"osv","ecosystem":"Debian:3.1","package":"courier","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.47-4sarge1"}]}],"versions":["0.47-4"]}],"products":[{"vendor":"double_precision_incorporated","product":"courier_mail_server"}],"references":[{"url":"http://secunia.com/advisories/15901","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.courier-mta.org/?changelog.html","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-2151"},{"url":"https://github.com/advisories/GHSA-j458-3qc3-3hff"},{"url":"https://security-tracker.debian.org/tracker/CVE-2005-2151","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2005-2151","description":"spf.c in Courier Mail Server does not properly handle DNS failures when looking up Sender Policy Framework (SPF) records, which could allow attackers to cause memory corruption.","status":"published","published":"2005-07-06T04:00:00Z","modified":"2024-08-07T22:15:37.575Z","updated_at":"2026-11-02T14:33:37.840038Z"}],"euvd":[{"id":"EUVD-2005-2152","description":"spf.c in Courier Mail Server does not properly handle DNS failures when looking up Sender Policy Framework (SPF) records, which could allow attackers to cause memory corruption.","status":"published","published":"2005-07-06T04:00:00Z","modified":"2024-08-07T22:15:37Z","updated_at":"2026-11-03T01:15:31.903004Z"}],"ghsa":[{"id":"GHSA-j458-3qc3-3hff","title":"spf.c in Courier Mail Server does not properly handle DNS failures when looking up Sender Policy...","description":"spf.c in Courier Mail Server does not properly handle DNS failures when looking up Sender Policy Framework (SPF) records, which could allow attackers to cause memory corruption.","status":"published","published":"2022-05-01T02:05:33Z","modified":"2023-01-30T05:07:46Z","updated_at":"2026-11-02T14:47:45.426527Z"}],"nvd":[{"id":"CVE-2005-2151","description":"spf.c in Courier Mail Server does not properly handle DNS failures when looking up Sender Policy Framework (SPF) records, which could allow attackers to cause memory corruption.","status":"published","published":"2005-07-06T04:00:00Z","modified":"2026-06-16T22:14:21.87Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:55.600202Z"}],"osv":[{"id":"CVE-2005-2151","description":"spf.c in Courier Mail Server does not properly handle DNS failures when looking up Sender Policy Framework (SPF) records, which could allow attackers to cause memory corruption.","status":"published","published":"2005-07-06T04:00:00Z","modified":"2026-04-10T03:37:08.892682Z","updated_at":"2026-11-02T15:43:56.315348Z"},{"id":"DEBIAN-CVE-2005-2151","description":"spf.c in Courier Mail Server does not properly handle DNS failures when looking up Sender Policy Framework (SPF) records, which could allow attackers to cause memory corruption.","status":"published","published":"2005-07-06T04:00:00Z","modified":"2026-10-23T03:47:28.598291553Z","updated_at":"2026-11-02T15:45:22.831407Z"},{"id":"DSA-784-1","title":"courier - programming error","status":"published","published":"2005-08-25T00:00:00Z","modified":"2026-03-09T02:09:36.474339Z","updated_at":"2026-11-02T15:46:18.716547Z"}]}}