{"id":"CVE-2020-5253","details":"NetHack before version 3.6.0 allowed malicious use of escaping of characters in the configuration file (usually .nethackrc) which could be exploited. This bug is patched in NetHack 3.6.0.","modified":"2026-04-11T13:53:19.934436Z","published":"2020-03-10T17:15:12.973Z","related":["GHSA-2c7p-3fj4-223m","openSUSE-SU-2025:14898-1"],"references":[{"type":"ADVISORY","url":"https://github.com/NetHack/NetHack/security/advisories/GHSA-2c7p-3fj4-223m"},{"type":"FIX","url":"https://github.com/NetHack/NetHack/commits/612755bfb5c412079795c68ba392df5d93874ed8"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nethack/nethack","events":[{"introduced":"0"},{"fixed":"585e9f1b35fda7b47f8d27d12f7e93e12a69a7bc"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"3.6.0"}]}}],"versions":["MOVE2GIT","NetHack-3.6.0_RC01","NetHack-3.6.0_RC02","NetHack-3.6.0_RC03","NetHack-3.6.0_RC04"],"database_specific":{"vanir_signatures_modified":"2026-04-11T13:53:19Z","vanir_signatures":[{"digest":{"threshold":0.9,"line_hashes":["312269647539887670774664032978877969594","203008790340323208233340850392220376819","235844713220841089302372100555199115686","164687583317955788998839275239003419194"]},"deprecated":false,"source":"https://github.com/nethack/nethack/commit/585e9f1b35fda7b47f8d27d12f7e93e12a69a7bc","target":{"file":"win/win32/winhack.c"},"signature_type":"Line","id":"CVE-2020-5253-2acee0cf","signature_version":"v1"},{"digest":{"function_hash":"4858587609181367127297299164415663259","length":3716},"deprecated":false,"source":"https://github.com/nethack/nethack/commit/585e9f1b35fda7b47f8d27d12f7e93e12a69a7bc","target":{"function":"WinMain","file":"win/win32/winhack.c"},"signature_type":"Function","id":"CVE-2020-5253-788f2728","signature_version":"v1"}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-5253.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}