CVE catalog
CVE-2023-24809
nethack: CVE-2023-24809
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.24% · Oct 25, 2026
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.
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 | nethack | sid | 3.6.7-4 | fixed |
| Debian | nethack | forky | 3.6.7-4 | fixed |
| Debian | nethack | trixie | 3.6.7-1 | fixed |
| Debian | nethack | bookworm | 3.6.6-3 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | nethack | source | sid | 3.6.7-1 | not yet assigned | Not reported | [1031869] |
| Debian | nethack | source | forky | 3.6.7-1 | not yet assigned | Not reported | [1031869] |
| Debian | nethack | source | trixie | 3.6.7-1 | not yet assigned | Not reported | [1031869] |
| Debian | nethack | source | bookworm | (unfixed) | not yet assigned | Not reported | [1031869] |
Notes
[bookworm] nethack: Minor issue
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.