firejail: In Firejail before 0.9.60, seccomp filters are writable inside the jail,leading to a lack of intended seccomp restric...
CVE-2019-12589 is fixed in 2 products on 1 platform, first by firejail 0.9.58.2-2, released January 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.
In Firejail before 0.9.60, seccomp filters are writable inside the jail,leading to a lack of intended seccomp restrictions for a process that isjoined to the jail after a filter has been modified by an attacker.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| firejail · Ubuntu 24.10 (oracular) | 0.9.58.2-2 | firejail 0.9.58.2-2 | Jan 16, 2026 |
| firejail · Ubuntu 25.04 (plucky) | 0.9.58.2-2 | firejail 0.9.58.2-2 | Jan 16, 2026 |
| firejail-profiles · Ubuntu 24.10 (oracular) | 0.9.58.2-2 | firejail-profiles 0.9.58.2-2 | Jan 16, 2026 |
| firejail-profiles · Ubuntu 25.04 (plucky) | 0.9.58.2-2 | firejail-profiles 0.9.58.2-2 | Jan 16, 2026 |
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