{"id":"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":"2026-03-15T22:37:08.959624Z","published":"2021-04-07T12:15:16.437Z","related":["MGASA-2021-0250","openSUSE-SU-2024:10799-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00007.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QC74RWMDLSQGV6Z3ZABNTPABB33S4YNF/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SOGPLC77ZL2FACSOE5MWDS3YH3RBNQAQ/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXOTMUSBVUZNA3JMPG6BU37DQW2YOJWS/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202107-28"},{"type":"FIX","url":"https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00000.html"},{"type":"EVIDENCE","url":"https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00001.html"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-30184.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"6.2.7"}]},{"events":[{"introduced":"0"},{"last_affected":"32"}]},{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}