Description
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.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_confirm
https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgch
Vendor Advisory x_refsource_misc
https://nethack.org/security/CVE-2023-24809.html
Scores
CVSS v3
5.5
EPSS
0.0005
EPSS Percentile
15.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-120
Status
published
Products (1)
nethack/nethack
3.6.2 - 3.6.7
Published
Feb 17, 2023
Tracked Since
Feb 18, 2026