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Fencer Intel
critical 9.0

CVE-2017-5206 json

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 p…

published 2017-03-23 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-14312

cvss
9.0
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

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.

Patch / fix

  • firejail_project firejail 0.9.44.4
  • firejail Debian 14, Debian 13, Debian 12 0.9.44.4-1

debian advisories DEBIAN-CVE-2017-5206

  • firejail openSUSE Tumbleweed 0.9.66-1.2

opensuse advisories openSUSE-SU-2024:10759-1

  • firejail Arch Linux 0.9.44.10-1

arch linux advisories AVG-128

Exploit prediction

1.94% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.0 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.