CVE catalog

CVE-2017-5206

firejail: CVE-2017-5206

Severity: Critical · CVSS 9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Published: Mar 23, 2017, 4:59:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.94% · Oct 27, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	firejail	sid	`0.9.80-2`	fixed
Debian	firejail	trixie	`0.9.74-1`	fixed
Debian	firejail	bookworm	`0.9.72-2`	fixed
Ubuntu	firejail	16.04	`0.9.28-1`	vulnerable
Ubuntu	firejail	16.04	`0.9.32-1`	vulnerable
Ubuntu	firejail	16.04	`0.9.34-1`	vulnerable
Ubuntu	firejail	16.04	`0.9.36-1`	vulnerable
Ubuntu	firejail	16.04	`0.9.38-1`	vulnerable
Ubuntu	firejail	16.04	`0.9.38-1ubuntu0.1`	vulnerable
Ubuntu	firejail	16.04	`0.9.38.10-0ubuntu0.16.04.1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	firejail	source	sid	`0.9.44.4-1`	not yet assigned	Not reported	[850558]
Debian	firejail	source	trixie	`0.9.44.4-1`	not yet assigned	Not reported	[850558]
Debian	firejail	source	bookworm	`0.9.44.4-1`	not yet assigned	Not reported	[850558]

[Debian bug #850558]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[firejail]Fixed
Details (2)
- 0.9.72-2 · amd64 · bookworm
  Fixed · Fixed: 0.9.44.4-1
  dsa · firejail · debian · bookworm; dsa · firejail · debian · 12
- 0.9.72-2 · arm64 · bookworm
  Fixed · Fixed: 0.9.44.4-1
  dsa · firejail · debian · bookworm; dsa · firejail · debian · 12
[firejail-profiles]Fixed
Source package: [firejail]
Details (2)
- 0.9.72-2 · all · bookworm
  Fixed · Fixed: 0.9.44.4-1
  dsa · firejail · debian · bookworm; dsa · firejail · debian · 12
- 0.9.72-2 · all · bookworm
  Fixed · Fixed: 0.9.44.4-1
  dsa · firejail · debian · bookworm; dsa · firejail · debian · 12

[Debian 13 (Trixie)]

[firejail]Fixed
Details (2)
- 0.9.74-1 · amd64 · trixie
  Fixed · Fixed: 0.9.44.4-1
  dsa · firejail · debian · 13
- 0.9.74-1 · arm64 · trixie
  Fixed · Fixed: 0.9.44.4-1
  dsa · firejail · debian · 13
[firejail-profiles]Fixed
Source package: [firejail]
Details (2)
- 0.9.74-1 · all · trixie
  Fixed · Fixed: 0.9.44.4-1
  dsa · firejail · debian · 13
- 0.9.74-1 · all · trixie
  Fixed · Fixed: 0.9.44.4-1
  dsa · firejail · debian · 13

Observed: Oct 23, 2026, 5:29:14 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]