Stack-based buffer overflow in the ValidateMove function in frontend/move.cc in GNU Chess…
Priority MEDIUM 49CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Stack-based buffer overflow in the ValidateMove function in frontend/move.cc in GNU Chess (aka gnuchess) before 6.2.4 might allow context-dependent attackers to execute arbitrary code via a large input, as demonstrated when in UCI mode.
Why it matters now
EPSS 0.03762 89th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2015-8972
- 2026-10-03 Alias added: GHSA-m3c3-j429-9q78
References
More GNU Chess vulnerabilities
- TI-2002-00193 Buffer overflow in GNU Chess (gnuchess) 5.02 and earlier, if modified or used in a… CVSS 2.0HIGH 7.5
- TI-2021-10723 GNU Chess 6.2.7 allows attackers to execute arbitrary code via crafted PGN (Portable Game… CVSS 3.1HIGH 7.8
- TI-2019-11839 In GNU Chess 6.2.5, there is a stack-based buffer overflow in the cmd_load function in… CVSS 3.0HIGH 7.8
Sources
- CVE-2015-8972 · CVE Program
- CVE-2015-8972 · NVD
- FIRST EPSS
- GHSA-m3c3-j429-9q78 · GitHub Advisory Database · CC BY 4.0
- CVE-2015-8972 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences