CVE-2017-5206

critical

Published 2017-03-23 · Modified 2026-05-13

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

9.0

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

9.0

Description

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.

Predictions

Exploit likelihood

93%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OS	Version	Status	Fixed in
arch		fixed	`0.9.44.10-1`
debian	bookworm	fixed	`0.9.44.4-1`
debian	bullseye	fixed	`0.9.44.4-1`
debian	forky	fixed	`0.9.44.4-1`
debian	sid	fixed	`0.9.44.4-1`
debian	trixie	fixed	`0.9.44.4-1`
linux-kernel		not-affected	`4.8`

Application impact

Vendor	Product	Versions	Fixed
firejail_project	firejail	`{"endExcluding":"0.9.44.4"}`	`0.9.44.4`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.