Vulnerability Database

308,819

Total vulnerabilities in the database

CVE-2021-30184

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.

  • Published: Apr 7, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-30184
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.8
  • AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.8
  • AV:N/AC:M/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
gnu / chess 6.2.7 6.2.7.x
fedoraproject / fedora 32 32.x
fedoraproject / fedora 33 33.x
fedoraproject / fedora 34 34.x