{"id":"UBUNTU-CVE-2021-30184","details":"GNU Chess 6.2.7 allows attackers to execute arbitrary code via crafted PGN (Portable Game Notation) data. This is related to a buffer overflow in the use of a .tmp.epd temporary file in the cmd_pgnload and cmd_pgnreplay functions in frontend/cmd.cc.","modified":"2026-01-30T02:09:24.720080Z","published":"2021-04-07T12:15:00Z","related":["USN-7336-1"],"upstream":["CVE-2021-30184"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-30184"},{"type":"REPORT","url":"https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00000.html"},{"type":"REPORT","url":"https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00001.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-30184"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7336-1"}],"affected":[{"package":{"name":"gnuchess","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/gnuchess@6.2.7-1+deb11u1build0.22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.7-1+deb11u1build0.22.04.1"}]}],"versions":["6.2.7-1"],"ecosystem_specific":{"binaries":[{"binary_version":"6.2.7-1+deb11u1build0.22.04.1","binary_name":"gnuchess"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-30184.json"}},{"package":{"name":"gnuchess","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/gnuchess@6.2.7-1+deb11u1build0.24.04.1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.7-1+deb11u1build0.24.04.1"}]}],"versions":["6.2.7-1","6.2.7-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"6.2.7-1+deb11u1build0.24.04.1","binary_name":"gnuchess"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-30184.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}