VDB
CVE-2023-24809
CVE-2023-24809
PUBLISHED
CVSS 5.5 MEDIUM
NetHack Call command buffer overflow
Reported by github_m · Published February 17, 2023
NetHack is a single player dungeon exploration game. Starting with version 3.6.2 and prior to version 3.6.7, illegal input to the "C" (call) command can cause a buffer overflow and crash the NetHack process. This vulnerability may be a security issue for systems that have NetHack installed suid/sgid and for shared systems. For all systems, it may result in a process crash. This issue is resolved in NetHack 3.6.7. There are no known workarounds.
Risk scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| NetHack | NetHack | >= 3.6.2, < 3.6.7 |
| NetHack | NetHack | 3.6.2 |
| alpine | nethack | 0 |
Timeline
- Feb 17, 2023 CVE Published
- Feb 18, 2023 EPSS Score (30 in total, the first dated here)
- Mar 10, 2025 CVE Updated
- Feb 20, 2026 Security Advisory
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References
- https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgch x_refsource_CONFIRM
- https://nethack.org/security/CVE-2023-24809.html x_refsource_MISC