{"id":"USN-7969-1","summary":"crawl vulnerability","details":"David Mendenhall discovered that Dungeon Crawl Stone Soup was incorrectly\nhandling Lua bytecode embedded in an uploaded .crawlrc file. An attacker\ncould possibly use this issue to execute arbitrary code.","modified":"2026-05-20T16:03:55.234310053Z","published":"2026-01-19T19:34:58Z","related":["UBUNTU-CVE-2020-11722"],"upstream":["UBUNTU-CVE-2020-11722"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7969-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-11722"}],"affected":[{"package":{"name":"crawl","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/crawl?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.17.1-1ubuntu0.1~esm1"}]}],"versions":["2:0.16.1-1","2:0.16.2-1","2:0.17.0-1","2:0.17.1-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_name":"crawl","binary_version":"2:0.17.1-1ubuntu0.1~esm1"},{"binary_name":"crawl-common","binary_version":"2:0.17.1-1ubuntu0.1~esm1"},{"binary_name":"crawl-tiles","binary_version":"2:0.17.1-1ubuntu0.1~esm1"},{"binary_name":"crawl-tiles-data","binary_version":"2:0.17.1-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7969-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[]}}},{"package":{"name":"crawl","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/crawl?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.21.1-1ubuntu0.1~esm1"}]}],"versions":["2:0.20.1-1","2:0.21.0-1","2:0.21.1-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"crawl","binary_version":"2:0.21.1-1ubuntu0.1~esm1"},{"binary_name":"crawl-common","binary_version":"2:0.21.1-1ubuntu0.1~esm1"},{"binary_name":"crawl-tiles","binary_version":"2:0.21.1-1ubuntu0.1~esm1"},{"binary_name":"crawl-tiles-data","binary_version":"2:0.21.1-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7969-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-11722"}]}}},{"package":{"name":"crawl","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/crawl?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.24.0-1ubuntu0.1~esm1"}]}],"versions":["2:0.23.2-1","2:0.24.0-1","2:0.24.0-1build1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"crawl","binary_version":"2:0.24.0-1ubuntu0.1~esm1"},{"binary_name":"crawl-common","binary_version":"2:0.24.0-1ubuntu0.1~esm1"},{"binary_name":"crawl-tiles","binary_version":"2:0.24.0-1ubuntu0.1~esm1"},{"binary_name":"crawl-tiles-data","binary_version":"2:0.24.0-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7969-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-11722"}]}}}],"schema_version":"1.7.5"}