nethack 3.4.0 and earlier installs certain setgid binaries with insecure permissions, which allows local users to gain privileges by replacing the original binaries with malicious code.
http://www.debian.org/security/2003/dsa-316
Source: Mitre, NVD
Published: 2003-07-24
Updated: 2025-04-03
Base Score: 4.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00046