{"id":"CVE-2020-12272","aliases":["DEBIAN-CVE-2020-12272","DLA-3546-1","EUVD-2020-4585","GHSA-m64q-99pc-qh99","MGASA-2021-0462","UBUNTU-CVE-2020-12272","USN-6356-1","openSUSE-SU-2024:11576-1"],"status":"published","title":"OpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication results to provide...","description":"OpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication results to provide false information about the domain that originated an e-mail message. This is caused by incorrect parsing and interpretation of SPF/DKIM authentication results, as demonstrated by the example.net(.example.com substring.","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":0.02121,"percentile":0.82118,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-290"],"published":"2020-04-27T00:00:00Z","modified":"2026-10-26T12:00:28Z","fixes":[{"ecosystem":"Debian:12","package":"opendmarc","fixed_in":["1.4.0~beta1+dfsg-4"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"opendmarc","fixed_in":["1.4.0~beta1+dfsg-4"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"opendmarc","fixed_in":["1.4.0~beta1+dfsg-4"],"sources":["osv"]},{"ecosystem":"Debian:10","package":"opendmarc","fixed_in":["1.3.2-6+deb10u3"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"opendmarc","fixed_in":["1.3.1+dfsg-3ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"opendmarc","fixed_in":["1.3.2-3ubuntu0.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"opendmarc","fixed_in":["1.3.2-7ubuntu0.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"opendmarc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.0~beta1+dfsg-4"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"opendmarc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.0~beta1+dfsg-4"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"opendmarc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.0~beta1+dfsg-4"}]}]},{"source":"osv","ecosystem":"Debian:10","package":"opendmarc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-6+deb10u3"}]}],"versions":["1.3.2-6","1.3.2-6+deb10u1","1.3.2-6+deb10u2"]},{"source":"osv","ecosystem":"Mageia:8","package":"opendmarc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.1.1-1.mga8"}]}],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"opendmarc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1+dfsg-3ubuntu0.1~esm1"}]}],"versions":["1.3.1+dfsg-2","1.3.1+dfsg-3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"opendmarc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-3ubuntu0.2"}]}],"versions":["1.3.2-2","1.3.2-3","1.3.2-3ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"opendmarc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-7ubuntu0.1"}]}],"versions":["1.3.2-6","1.3.2-7"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"opendmarc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1+dfsg-3ubuntu0.1~esm1"}]}],"versions":["1.3.1+dfsg-2","1.3.1+dfsg-3"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"opendmarc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-3ubuntu0.2"}]}],"versions":["1.3.2-2","1.3.2-3","1.3.2-3ubuntu0.1"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"opendmarc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-7ubuntu0.1"}]}],"versions":["1.3.2-6","1.3.2-7"],"bundled":2}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"trusteddomain","product":"opendmarc"}],"references":[{"url":"https://sourceforge.net/p/opendmarc/tickets/237/","tags":["x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf","tags":["x_transferred","Technical Description","Third Party Advisory","advisory","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/","tags":["vendor-advisory","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/","tags":["vendor-advisory","x_transferred","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/08/msg00035.html","tags":["mailing-list","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12272"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/"},{"url":"https://github.com/advisories/GHSA-m64q-99pc-qh99"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-12272","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2021-0462.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=29035","tags":["report"]},{"url":"https://github.com/trusteddomainproject/OpenDMARC/issues/111","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-12272","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-6356-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-12272","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-12460","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2020-12272","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-12272","description":"OpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication results to provide false information about the domain that originated an e-mail message. This is caused by incorrect parsing and interpretation of SPF/DKIM authentication results, as demonstrated by the example.net(.example.com substring.","status":"published","published":"2020-04-27T00:00:00Z","modified":"2024-08-04T11:48:58.576Z","updated_at":"2026-11-02T14:35:52.925152Z"}],"euvd":[{"id":"EUVD-2020-4585","description":"OpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication results to provide false information about the domain that originated an e-mail message. This is caused by incorrect parsing and interpretation of SPF/DKIM authentication results, as demonstrated by the example.net(.example.com substring.","status":"published","published":"2020-04-27T00:00:00Z","modified":"2024-08-04T11:48:58Z","updated_at":"2026-11-03T03:07:40.81889Z"}],"ghsa":[{"id":"GHSA-m64q-99pc-qh99","title":"OpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication results to provide...","description":"OpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication results to provide false information about the domain that originated an e-mail message. This is caused by incorrect parsing and interpretation of SPF/DKIM authentication results, as demonstrated by the example.net(.example.com substring.","status":"published","published":"2022-05-24T17:16:36Z","modified":"2023-08-28T21:31:05Z","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"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T14:54:46.481792Z"}],"nvd":[{"id":"CVE-2020-12272","description":"OpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication results to provide false information about the domain that originated an e-mail message. This is caused by incorrect parsing and interpretation of SPF/DKIM authentication results, as demonstrated by the example.net(.example.com substring.","status":"published","published":"2020-04-27T14:15:11.33Z","modified":"2026-06-17T02:51:32.707Z","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"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T14:05:59.718774Z"}],"osv":[{"id":"CVE-2020-12272","description":"OpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication results to provide false information about the domain that originated an e-mail message. This is caused by incorrect parsing and interpretation of SPF/DKIM authentication results, as demonstrated by the example.net(.example.com substring.","status":"published","published":"2020-04-27T14:15:11.33Z","modified":"2026-10-24T10:31:04.282118116Z","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":"2026-11-02T15:44:14.034736Z"},{"id":"DEBIAN-CVE-2020-12272","description":"OpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication results to provide false information about the domain that originated an e-mail message. This is caused by incorrect parsing and interpretation of SPF/DKIM authentication results, as demonstrated by the example.net(.example.com substring.","status":"published","published":"2020-04-27T14:15:11.33Z","modified":"2026-10-26T12:00:28.397156133Z","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":"2026-11-02T15:45:32.862554Z"},{"id":"UBUNTU-CVE-2020-12272","description":"OpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication results to provide false information about the domain that originated an e-mail message. This is caused by incorrect parsing and interpretation of SPF/DKIM authentication results, as demonstrated by the example.net(.example.com substring.","status":"published","published":"2020-04-27T14:15:00Z","modified":"2026-04-22T12:26:54.613072Z","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":"2026-11-02T15:54:22.804634Z"},{"id":"DLA-3546-1","title":"opendmarc - security update","status":"published","published":"2023-08-28T00:00:00Z","modified":"2026-03-09T01:18:02.570122Z","updated_at":"2026-11-02T15:46:11.734021Z"},{"id":"MGASA-2021-0462","title":"Updated opendmarc packages fix security vulnerability","description":"OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows\nattacks that bypass SPF and DMARC authentication in situations where the HELO\nfield is inconsistent with the MAIL FROM field (CVE-2019-20790).\n\nOpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication\nresults to provide false information about the domain that originated an e-mail\nmessage. This is caused by incorrect parsing and interpretation of SPF/DKIM\nauthentication results, as demonstrated by the example.net(.example.com\nsubstring (CVE-2020-12272).\n\nOpenDMARC through 1.3.2 and 1.4.x through 1.4.0-Beta1 has improper null\ntermination in the function opendmarc_xml_parse that can result in a one-byte\nheap overflow in opendmarc_xml when parsing a specially crafted DMARC aggregate\nreport. This can cause remote memory corruption when a '\\0' byte overwrites the\nheap metadata of the next chunk and its PREV_INUSE flag (CVE-2020-12460).\n","status":"published","published":"2021-10-06T19:41:56Z","modified":"2026-04-16T04:44:31.798800712Z","updated_at":"2026-11-02T15:49:41.849028Z"},{"id":"openSUSE-SU-2024:11576-1","title":"autobuild-2.11.0-6.1 on GA media","description":"These are all security issues fixed in the autobuild-2.11.0-6.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:55:37.856229Z","updated_at":"2026-11-02T16:58:35.195147Z"},{"id":"USN-6356-1","title":"opendmarc vulnerabilities","description":"Jianjun Chen, Vern Paxson and Jian Jiang discovered that OpenDMARC\nincorrectly handled certain inputs. If a user or an automated system were\ntricked into receiving crafted inputs, an attacker could possibly use this\nto falsify the domain of an e-mails origin. (CVE-2020-12272)\n\nPatrik Lantz discovered that OpenDMARC incorrectly handled certain inputs.\nIf a user or an automated system were tricked into opening a specially\ncrafted input file, a remote attacker could possibly use this issue to\ncause a denial of service. (CVE-2020-12460)\n","status":"published","published":"2023-09-11T12:47:12Z","modified":"2026-06-25T13:32:18.792044293Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}