{"id":"CVE-2018-18956","aliases":["DEBIAN-CVE-2018-18956","EUVD-2018-10660","GHSA-mhv4-xgrg-gg58","UBUNTU-CVE-2018-18956"],"status":"published","title":"The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote...","description":"The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02818,"percentile":0.8665,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2018-11-05T21:00:00Z","modified":"2026-10-24T10:30:31Z","fixes":[{"ecosystem":"Debian:13","package":"suricata","fixed_in":["1:4.0.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"suricata","fixed_in":["1:4.0.6-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.0.6-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.0.6-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.8-1build1","2.0.9-1","2.0.10-1","2.0.10-2","2.0.11-1","3.0-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2-2ubuntu3"]}],"products":[{"vendor":"suricata-ids","product":"suricata"}],"references":[{"url":"https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-October/016227.html","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory","advisory","report"]},{"url":"https://redmine.openinfosecfoundation.org/issues/2658#change-10374","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-November/016316.html","tags":["x_refsource_CONFIRM","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-18956"},{"url":"https://github.com/advisories/GHSA-mhv4-xgrg-gg58"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-18956","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-18956","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-18956","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-18956","description":"The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018.","status":"published","published":"2018-11-05T21:00:00Z","modified":"2024-08-05T11:23:08.491Z","updated_at":"2026-11-02T14:35:11.799349Z"}],"euvd":[{"id":"EUVD-2018-10660","description":"The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018.","status":"published","published":"2018-11-05T21:00:00Z","modified":"2024-08-05T11:23:08Z","updated_at":"2026-11-03T02:39:34.768254Z"}],"ghsa":[{"id":"GHSA-mhv4-xgrg-gg58","title":"The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote...","description":"The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018.","status":"published","published":"2022-05-13T01:19:42Z","modified":"2023-02-01T05:05:59Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:50:17.937177Z"}],"nvd":[{"id":"CVE-2018-18956","description":"The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018.","status":"published","published":"2018-11-05T21:29:00.257Z","modified":"2026-06-17T01:48:11.013Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:04:47.196456Z"}],"osv":[{"id":"CVE-2018-18956","description":"The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018.","status":"published","published":"2018-11-05T21:29:00.257Z","modified":"2026-10-24T10:30:31.079299199Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:08.834469Z"},{"id":"DEBIAN-CVE-2018-18956","description":"The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018.","status":"published","published":"2018-11-05T21:29:00.257Z","modified":"2026-10-23T18:03:03.059332089Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:30.57382Z"},{"id":"UBUNTU-CVE-2018-18956","description":"The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018.","status":"published","published":"2018-11-05T21:29:00Z","modified":"2025-10-24T04:47:16Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:17.496046Z"}]}}