{"id":"CVE-2019-20918","aliases":["EUVD-2019-11451","GHSA-3c6j-x3h2-c2j2"],"status":"published","title":"An issue was discovered in InspIRCd 3 before 3.1.0. The silence module contains a use after free...","description":"An issue was discovered in InspIRCd 3 before 3.1.0. The silence module contains a use after free vulnerability. This vulnerability can be used for remote crashing of an InspIRCd server by any user able to fully connect to a server.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01488,"percentile":0.74246,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2020-09-11T04:43:40Z","modified":"2026-10-20T10:50:54Z","products":[{"vendor":"inspircd","product":"inspircd"}],"references":[{"url":"https://docs.inspircd.org/security/2019-01/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://github.com/inspircd/inspircd/commit/bcd65de1ec4bb71591ae417fee649d7ecd37cd57","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/inspircd/inspircd/commit/7b47de3c194f239c5fea09a0e49696c9af017d51","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20918"},{"url":"https://github.com/advisories/GHSA-3c6j-x3h2-c2j2"}],"sources":{"cve":[{"id":"CVE-2019-20918","description":"An issue was discovered in InspIRCd 3 before 3.1.0. The silence module contains a use after free vulnerability. This vulnerability can be used for remote crashing of an InspIRCd server by any user able to fully connect to a server.","status":"published","published":"2020-09-11T04:43:40Z","modified":"2024-08-05T03:00:17.382Z","updated_at":"2026-11-02T14:20:17.11067Z"}],"euvd":[{"id":"EUVD-2019-11451","description":"An issue was discovered in InspIRCd 3 before 3.1.0. The silence module contains a use after free vulnerability. This vulnerability can be used for remote crashing of an InspIRCd server by any user able to fully connect to a server.","status":"published","published":"2020-09-11T04:43:40Z","modified":"2024-08-05T03:00:17Z","updated_at":"2026-11-03T02:40:20.270172Z"}],"ghsa":[{"id":"GHSA-3c6j-x3h2-c2j2","title":"An issue was discovered in InspIRCd 3 before 3.1.0. The silence module contains a use after free...","description":"An issue was discovered in InspIRCd 3 before 3.1.0. The silence module contains a use after free vulnerability. This vulnerability can be used for remote crashing of an InspIRCd server by any user able to fully connect to a server.","status":"published","published":"2022-05-24T17:27:53Z","modified":"2023-01-29T05:03:59Z","updated_at":"2026-11-02T14:45:27.054092Z"}],"nvd":[{"id":"CVE-2019-20918","description":"An issue was discovered in InspIRCd 3 before 3.1.0. The silence module contains a use after free vulnerability. This vulnerability can be used for remote crashing of an InspIRCd server by any user able to fully connect to a server.","status":"published","published":"2020-09-11T05:15:12.543Z","modified":"2026-06-17T02:31:26.167Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:05:47.558959Z"}],"osv":[{"id":"CVE-2019-20918","description":"An issue was discovered in InspIRCd 3 before 3.1.0. The silence module contains a use after free vulnerability. This vulnerability can be used for remote crashing of an InspIRCd server by any user able to fully connect to a server.","status":"published","published":"2020-09-11T05:15:12.543Z","modified":"2026-10-20T10:50:54.077706009Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:12.363788Z"}]}}