The function getopt_simple as described in Advanced Bash Scripting Guide (ISBN 978-1435752184) allows privilege escalation and execution of commands when used in a shell script called, for example, via sudo.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.4% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)