CVE-2023-24809

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.

• CWE-120
• CWE-120

• https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgchVendor Advisory
• https://nethack.org/security/CVE-2023-24809.htmlVendor Advisory
• https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgchVendor Advisory
• https://nethack.org/security/CVE-2023-24809.htmlVendor Advisory

Published

Feb 17, 2023

Last Modified

Jun 17, 2026

Status

Modified

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