Rapid7

vulnerability

Ubuntu: (CVE-2020-5214): nethack vulnerability

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Jan 28, 2020
Added
Jun 26, 2025
Modified
Mar 27, 2026

Description

In NetHack before 3.6.5, detecting an unknown configuration file option can cause a buffer overflow resulting in a crash or remote code execution/privilege escalation. This vulnerability affects systems that have NetHack installed suid/sgid and shared systems that allow users to upload their own configuration files. Users should upgrade to NetHack 3.6.5.

Solution

no-fix-ubuntu-package
Title
Rapid7 Labs

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