{"id":"CVE-2018-17019","aliases":["EUVD-2018-8803","GHSA-fcrf-wj6f-p332","UBUNTU-CVE-2018-17019"],"status":"published","title":"In Bro through 2.5.5, there is a DoS in IRC protocol names command parsing in analyzer/protocol...","description":"In Bro through 2.5.5, there is a DoS in IRC protocol names command parsing in analyzer/protocol/irc/IRC.cc.","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":"2026-11-09","score":0.01399,"percentile":0.72666,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2018-09-13T19:00:00Z","modified":"2026-10-20T13:34:21Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"bro","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+dfsg-1","2.4.1+dfsg-1","2.4.1+dfsg-2","2.4.1+dfsg-2build1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"bro","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.1-1build1","2.5.2-1","2.5.2-2","2.5.3-1","2.5.3-1build1"]}],"products":[{"vendor":"bro","product":"bro"}],"references":[{"url":"https://github.com/bro/bro/commit/c2b18849f8bb833253538f5dfedb4ed1dc176a30","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-17019"},{"url":"https://github.com/advisories/GHSA-fcrf-wj6f-p332"},{"url":"https://ubuntu.com/security/CVE-2018-17019","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-17019","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-17019","description":"In Bro through 2.5.5, there is a DoS in IRC protocol names command parsing in analyzer/protocol/irc/IRC.cc.","status":"published","published":"2018-09-13T19:00:00Z","modified":"2024-09-17T00:26:33.616Z","updated_at":"2026-11-02T14:35:07.672841Z"}],"euvd":[{"id":"EUVD-2018-8803","description":"In Bro through 2.5.5, there is a DoS in IRC protocol names command parsing in analyzer/protocol/irc/IRC.cc.","status":"published","published":"2018-09-13T19:00:00Z","modified":"2024-09-17T00:26:33Z","updated_at":"2026-11-03T00:28:58.853192Z"}],"ghsa":[{"id":"GHSA-fcrf-wj6f-p332","title":"In Bro through 2.5.5, there is a DoS in IRC protocol names command parsing in analyzer/protocol...","description":"In Bro through 2.5.5, there is a DoS in IRC protocol names command parsing in analyzer/protocol/irc/IRC.cc.","status":"published","published":"2022-05-14T01:57:27Z","modified":"2023-02-02T05:04:37Z","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-20"],"updated_at":"2026-11-02T14:51:55.393577Z"}],"nvd":[{"id":"CVE-2018-17019","description":"In Bro through 2.5.5, there is a DoS in IRC protocol names command parsing in analyzer/protocol/irc/IRC.cc.","status":"published","published":"2018-09-13T19:29:00.557Z","modified":"2026-06-17T01:45:13.943Z","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-20"],"updated_at":"2026-11-02T14:04:40.661264Z"}],"osv":[{"id":"CVE-2018-17019","description":"In Bro through 2.5.5, there is a DoS in IRC protocol names command parsing in analyzer/protocol/irc/IRC.cc.","status":"published","published":"2018-09-13T19:29:00.557Z","modified":"2026-10-20T13:34:21.096013374Z","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":"2026-11-02T15:44:08.533609Z"},{"id":"UBUNTU-CVE-2018-17019","description":"In Bro through 2.5.5, there is a DoS in IRC protocol names command parsing in analyzer/protocol/irc/IRC.cc.","status":"published","published":"2018-09-13T19:29:00Z","modified":"2025-10-24T04:47:13Z","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"}]}}