{"id":"CVE-2022-48521","aliases":["DEBIAN-CVE-2022-48521","DLA-3680-1","EUVD-2022-51217","GHSA-3q5m-9r3g-pqfj","UBUNTU-CVE-2022-48521"],"status":"published","title":"An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to...","description":"An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely on Authentication-Results from OpenDKIM will treat the message as having a valid DKIM signature when in fact it has none.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00745,"percentile":0.55247,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2023-07-11T00:00:00Z","modified":"2026-10-28T02:30:55Z","fixes":[{"ecosystem":"Debian:12","package":"opendkim","fixed_in":["2.11.0~beta2-8+deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"opendkim","fixed_in":["2.11.0~beta2-9"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"opendkim","fixed_in":["2.11.0~beta2-9"],"sources":["osv"]},{"ecosystem":"Debian:10","package":"opendkim","fixed_in":["2.11.0~alpha-12+deb10u1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"opendkim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.0~beta2-8+deb12u1"}]}],"versions":["2.11.0~beta2-8"]},{"source":"osv","ecosystem":"Debian:13","package":"opendkim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.0~beta2-9"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"opendkim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.0~beta2-9"}]}]},{"source":"osv","ecosystem":"Debian:10","package":"opendkim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.0~alpha-12+deb10u1"}]}],"versions":["2.11.0~alpha-12"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"opendkim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.3-3build1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"opendkim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.0~alpha-10","2.11.0~alpha-11","2.11.0~alpha-11build1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"opendkim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.0~alpha-12","2.11.0~alpha-13","2.11.0~alpha-14","2.11.0~beta2-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"opendkim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.0~beta2-4build1","2.11.0~beta2-5","2.11.0~beta2-6"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"opendkim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.0~beta2-8","2.11.0~beta2-9","2.11.0~beta2-9build3","2.11.0~beta2-9build4"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"opendkim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.0~beta2-9.1","2.11.0~beta2-9.2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"opendkim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.0~beta2-9.2build1","2.11.0~beta2-9.2build2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"opendkim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.0~beta2-9.2","2.11.0~beta2-9.2build1"]}],"products":[{"vendor":"opendkim","product":"opendkim"}],"references":[{"url":"https://github.com/trusteddomainproject/OpenDKIM/issues/148","tags":["x_transferred","Issue Tracking","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/12/msg00002.html","tags":["mailing-list","x_transferred","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-48521","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3q5m-9r3g-pqfj"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48521.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-48521","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-48521","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-48521","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-48521","description":"An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely on Authentication-Results from OpenDKIM will treat the message as having a valid DKIM signature when in fact it has none.","status":"published","published":"2023-07-11T00:00:00Z","modified":"2024-08-03T15:17:54.817Z","updated_at":"2026-11-02T14:34:33.913527Z"}],"euvd":[{"id":"EUVD-2022-51217","description":"An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely on Authentication-Results from OpenDKIM will treat the message as having a valid DKIM signature when in fact it has none.","status":"published","published":"2023-07-11T00:00:00Z","modified":"2024-08-03T15:17:54Z","updated_at":"2026-11-03T03:25:18.56035Z"}],"ghsa":[{"id":"GHSA-3q5m-9r3g-pqfj","title":"An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to...","description":"An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely on Authentication-Results from OpenDKIM will treat the message as having a valid DKIM signature when in fact it has none.","status":"published","published":"2023-07-11T21:30:58Z","modified":"2023-12-12T05:05:15Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T14:55:10.896568Z"}],"nvd":[{"id":"CVE-2022-48521","description":"An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely on Authentication-Results from OpenDKIM will treat the message as having a valid DKIM signature when in fact it has none.","status":"published","published":"2023-07-11T20:15:10.523Z","modified":"2026-06-17T05:15:36.207Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:38.721429Z"}],"osv":[{"id":"DEBIAN-CVE-2022-48521","description":"An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely on Authentication-Results from OpenDKIM will treat the message as having a valid DKIM signature when in fact it has none.","status":"published","published":"2023-07-11T20:15:10.523Z","modified":"2026-11-03T08:03:57.027645348Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T08:23:34.488036Z"},{"id":"UBUNTU-CVE-2022-48521","description":"An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely on Authentication-Results from OpenDKIM will treat the message as having a valid DKIM signature when in fact it has none.","status":"published","published":"2023-07-11T20:15:00Z","modified":"2026-10-17T12:56:22.824883965Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T16:53:56.473586Z"},{"id":"CVE-2022-48521","description":"An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely on Authentication-Results from OpenDKIM will treat the message as having a valid DKIM signature when in fact it has none.","status":"published","published":"2023-07-11T00:00:00Z","modified":"2026-10-28T02:30:55.652155235Z","updated_at":"2026-11-02T15:44:27.776402Z"},{"id":"DLA-3680-1","title":"opendkim - security update","status":"published","published":"2023-12-03T00:00:00Z","modified":"2026-03-09T01:18:36.822726Z","updated_at":"2026-11-02T15:46:12.203458Z"}]}}