CVE catalog
CVE-2021-30184
GNU Chess vulnerability
- Severity
- High · CVSS 7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.77% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | gnuchess | sid | 6.2.9-0.1 | fixed |
| Debian | gnuchess | forky | 6.2.9-0.1 | fixed |
| Debian | gnuchess | trixie | 6.2.9-0.1 | fixed |
| Debian | gnuchess | bookworm | 6.2.7-1+deb12u1 | fixed |
| Ubuntu | gnuchess | noble | 6.2.7-1+deb11u1build0.24.04.1 | fixed |
| Ubuntu | gnuchess | 22.04 | 6.2.7-1 | vulnerable |
| Ubuntu | gnuchess | 22.04 | 6.2.7-1+deb11u1build0.22.04.1 | fixed |
| Ubuntu | gnuchess | 24.04 | 6.2.7-1 | vulnerable |
| Ubuntu | gnuchess | 24.04 | 6.2.7-1build1 | vulnerable |
| Ubuntu | gnuchess | 24.04 | 6.2.7-1+deb11u1build0.24.04.1 | fixed |
| Ubuntu | gnuchess | 22.04 | 6.2.7-1 | vulnerable |
| Ubuntu | gnuchess | 22.04 | 6.2.7-1+deb11u1build0.22.04.1 | fixed |
| Ubuntu | gnuchess | 24.04 | 6.2.7-1 | vulnerable |
| Ubuntu | gnuchess | 24.04 | 6.2.7-1build1 | vulnerable |
| Ubuntu | gnuchess | 24.04 | 6.2.7-1+deb11u1build0.24.04.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | gnuchess | source | sid | 6.2.9-0.1 | not yet assigned | Not reported | [986801] |
| Debian | gnuchess | source | forky | 6.2.9-0.1 | not yet assigned | Not reported | [986801] |
| Debian | gnuchess | source | trixie | 6.2.9-0.1 | not yet assigned | Not reported | [986801] |
| Debian | gnuchess | source | bookworm | 6.2.7-1+deb12u1 | not yet assigned | Not reported | [986801] |
| Ubuntu | gnuchess | deb | noble | 6.2.7-1+deb11u1build0.24.04.1 | Not reported | Not reported | Not reported |
| Ubuntu | gnuchess | deb | 22.04 | 6.2.7-1+deb11u1build0.22.04.1 | Not reported | USN-7336-1 | Not reported |
| Ubuntu | gnuchess | deb | 24.04 | 6.2.7-1+deb11u1build0.24.04.1 | Not reported | USN-7336-1 | Not reported |
| Ubuntu | gnuchess | deb | 22.04 | 6.2.7-1+deb11u1build0.22.04.1 | Not reported | UBUNTU-CVE-2021-30184 | Not reported |
| Ubuntu | gnuchess | deb | 24.04 | 6.2.7-1+deb11u1build0.24.04.1 | Not reported | UBUNTU-CVE-2021-30184 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [gnuchess]Fixed
Details (2)
6.2.7-1+deb12u1· amd64 · bookwormFixed · Fixed:
6.2.7-1+deb12u1usn · gnuchess · debian · bookworm; usn · gnuchess · debian · 12
6.2.7-1+deb12u1· arm64 · bookwormFixed · Fixed:
6.2.7-1+deb12u1usn · gnuchess · debian · bookworm; usn · gnuchess · debian · 12
[Debian 13 (Trixie)]
- [gnuchess]Fixed
Details (2)
6.2.9-0.1· amd64 · trixieFixed · Fixed:
6.2.9-0.1usn · gnuchess · debian · 13
6.2.9-0.1· arm64 · trixieFixed · Fixed:
6.2.9-0.1usn · gnuchess · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_10799-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-30184]
- [https://osv.dev/vulnerability/DLA-4014-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-30184]
- [https://osv.dev/vulnerability/USN-7336-1]
- [https://security-tracker.debian.org/tracker/CVE-2021-30184]
- [https://ubuntu.com/security/notices/USN-7336-1]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]