CVE-2001-1022: GNU Groff

High severity, CVSS 7.5. EPSS: 11.4% chance of exploitation in the next 30 days.

Format string vulnerability in pic utility in groff 1.16.1 and other versions, and jgroff before 1.15, allows remote attackers to bypass the -S option and execute arbitrary commands via format string specifiers in the plot command.

Affected products

• GNU Groff: version 1.10 only; version 1.11 only; version 1.11a only; version 1.14 only; version 1.15 only; version 1.16.1 only
• Jgroff Jgroff: any version

Published 2001-07-26. Last modified 2026-06-16.