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CVE-2021-26910

7.0 highEPSS 0.4%

High (7.0). EPSS 0.4% chance of exploitation in the next 30 days.

Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation.

Severity

CVSS 3.1

7.0 high
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-31)
CWE
CWE-367
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON