CVE-2017-5206: Firejail Project Firejail

Critical severity, CVSS 9.0. EPSS: 1.9% chance of exploitation in the next 30 days.

Firejail before 0.9.44.4, when running on a Linux kernel before 4.8, allows context-dependent attackers to bypass a seccomp-based sandbox protection mechanism via the --allow-debuggers argument.

Affected products

Published 2017-03-23. Last modified 2026-06-17.