{"id":"CVE-2018-16807","aliases":["EUVD-2018-8607","GHSA-7hg4-3wc8-g69j","UBUNTU-CVE-2018-16807"],"status":"published","title":"In Bro through 2.5.5, there is a memory leak potentially leading to DoS in scripts/base/protocols...","description":"In Bro through 2.5.5, there is a memory leak potentially leading to DoS in scripts/base/protocols/krb/main.bro in the Kerberos protocol parser.","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-772"],"published":"2018-09-11T02:00:00Z","modified":"2026-10-20T10:49:52Z","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/34d0cf886ca16c665f673a299e295b2a2bc14533","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-16807"},{"url":"https://github.com/advisories/GHSA-7hg4-3wc8-g69j"},{"url":"https://ubuntu.com/security/CVE-2018-16807","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-16807","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-16807","description":"In Bro through 2.5.5, there is a memory leak potentially leading to DoS in scripts/base/protocols/krb/main.bro in the Kerberos protocol parser.","status":"published","published":"2018-09-11T02:00:00Z","modified":"2024-09-17T03:07:23.695Z","updated_at":"2026-11-02T14:35:11.426178Z"}],"euvd":[{"id":"EUVD-2018-8607","description":"In Bro through 2.5.5, there is a memory leak potentially leading to DoS in scripts/base/protocols/krb/main.bro in the Kerberos protocol parser.","status":"published","published":"2018-09-11T02:00:00Z","modified":"2024-09-17T03:07:23Z","updated_at":"2026-11-03T00:28:34.673232Z"}],"ghsa":[{"id":"GHSA-7hg4-3wc8-g69j","title":"In Bro through 2.5.5, there is a memory leak potentially leading to DoS in scripts/base/protocols...","description":"In Bro through 2.5.5, there is a memory leak potentially leading to DoS in scripts/base/protocols/krb/main.bro in the Kerberos protocol parser.","status":"published","published":"2022-05-13T01:50:27Z","modified":"2023-02-02T05:01:52Z","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-772"],"updated_at":"2026-11-02T14:51:17.485612Z"}],"nvd":[{"id":"CVE-2018-16807","description":"In Bro through 2.5.5, there is a memory leak potentially leading to DoS in scripts/base/protocols/krb/main.bro in the Kerberos protocol parser.","status":"published","published":"2018-09-11T02:29:00.24Z","modified":"2026-06-17T01:44:51.113Z","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-772"],"updated_at":"2026-11-02T14:04:38.672108Z"}],"osv":[{"id":"CVE-2018-16807","description":"In Bro through 2.5.5, there is a memory leak potentially leading to DoS in scripts/base/protocols/krb/main.bro in the Kerberos protocol parser.","status":"published","published":"2018-09-11T02:29:00.24Z","modified":"2026-10-20T10:49:52.098904463Z","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-2018-16807","description":"In Bro through 2.5.5, there is a memory leak potentially leading to DoS in scripts/base/protocols/krb/main.bro in the Kerberos protocol parser.","status":"published","published":"2018-09-11T02:29:00Z","modified":"2025-10-24T04:47:12Z","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"}]}}