{"id":"CVE-2019-19905","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-19905","generatedAt":"2026-10-27T23:38:43.560Z","title":"NetHack 3.6.x before 3.6.4 is prone to a buffer overflow vulnerability when reading very long lines from configuration files.","description":"NetHack 3.6.x before 3.6.4 is prone to a buffer overflow vulnerability when reading very long lines from configuration files. This affects systems that have NetHack installed suid/sgid, and shared systems that allow users to upload their own configuration files.","published":"2019-12-19T18:15:13.000Z","lastModified":"2026-06-17T02:27:26.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-120"],"affected":["nethack/nethack"],"epss":{"score":0.03384,"percentile":0.88708,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://bugs.debian.org/947005","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/NetHack/NetHack/commit/f001de79542b8c38b1f8e6d7eaefbbd28ab94b47","tags":["Patch"],"source":"cve@mitre.org"},{"url":"https://github.com/NetHack/NetHack/commit/f4a840a48f4bcf11757b3d859e9d53cc9d5ef226","tags":["Patch"],"source":"cve@mitre.org"},{"url":"https://github.com/NetHack/NetHack/security/advisories/GHSA-3cm7-rgh5-9pq5","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://nethack.org/security/","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://bugs.debian.org/947005","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/NetHack/NetHack/commit/f001de79542b8c38b1f8e6d7eaefbbd28ab94b47","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/NetHack/NetHack/commit/f4a840a48f4bcf11757b3d859e9d53cc9d5ef226","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/NetHack/NetHack/security/advisories/GHSA-3cm7-rgh5-9pq5","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://nethack.org/security/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-19905","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}