{"id":"CVE-2023-24809","summary":"NetHack Call command buffer overflow","details":"NetHack is a single player dungeon exploration game. Starting with version 3.6.2 and prior to version 3.6.7, illegal input to the \"C\" (call) command can cause a buffer overflow and crash the NetHack process. This vulnerability may be a security issue for systems that have NetHack installed suid/sgid and for shared systems. For all systems, it may result in a process crash. This issue is resolved in NetHack 3.6.7. There are no known workarounds.","aliases":["GHSA-2cqv-5w4v-mgch"],"modified":"2026-08-12T03:51:36.737166049Z","published":"2023-02-17T19:41:24.248Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-120"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/24xxx/CVE-2023-24809.json"},"references":[{"type":"WEB","url":"https://nethack.org/security/CVE-2023-24809.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/24xxx/CVE-2023-24809.json"},{"type":"ADVISORY","url":"https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgch"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-24809"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nethack/nethack","events":[{"introduced":"76090dd648dcff3cfa7503f1257e0499a381b1c1"},{"fixed":"ed600d9f0f3c37677418f0150f59363ca641f3dc"}],"database_specific":{"cpe":"cpe:2.3:a:nethack:nethack:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.6.2"},{"fixed":"3.6.7"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["NetHack-3.6.6_PostRelease","NetHack-3.6.6_Released","NetHack-3.6.5_Released","NetHack-3.6.5_PostRelease","NetHack-3.6.4_Released","NetHack-3.6.3_Released","NetHack-3.6.3.beta1.2019.11.17","NetHack-3.6.3.wip.2019.10.30","v3.6.3.wip.2019.10.29","NetHack-3.6.3.wip.2019.10.29","v3.6.3.757eca7","NetHack-3.6.3_WIP","NetHack-3.6.2_Released","NetHack-3.6.2_Release"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-24809.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}