{"id":"UBUNTU-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":"2025-10-24T04:48:17Z","published":"2020-03-10T17:15:00Z","upstream":["CVE-2020-5253"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-5253"},{"type":"REPORT","url":"https://github.com/NetHack/NetHack/security/advisories/GHSA-2c7p-3fj4-223m"},{"type":"REPORT","url":"https://github.com/NetHack/NetHack/commits/612755bfb5c412079795c68ba392df5d93874ed8"},{"type":"REPORT","url":"https://nethack.org/security/CVE-2020-5253.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-5253"}],"affected":[{"package":{"name":"nethack","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/nethack@3.4.3-15build1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.3-15","3.4.3-15build1"],"ecosystem_specific":{"binaries":[{"binary_name":"nethack-common","binary_version":"3.4.3-15build1"},{"binary_name":"nethack-console","binary_version":"3.4.3-15build1"},{"binary_name":"nethack-lisp","binary_version":"3.4.3-15build1"},{"binary_name":"nethack-x11","binary_version":"3.4.3-15build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-5253.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}