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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade gnuchess | Aug 22, 2024 | Apr 7, 2021 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Apr 7, 2021 |
| Debian | — | Upgrade gnuchess | Jan 13, 2025 | Apr 7, 2021 |
| Gentoo Linux | — | Upgrade games-board/gnuchess. | Jul 13, 2021 | Apr 7, 2021 |
| Suse | — | Upgrade gnuchess | Oct 26, 2022 | Apr 7, 2021 |
| Ubuntu | — | Upgrade gnuchess | Mar 10, 2025 | Apr 7, 2021 |
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