VULNERABILITY INTELLIGENCE
CVE-2021-26910
CVSS score7.8 HIGH
EPSS probability0.44%
CISA KEVNot currently listed
Published2021-02-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
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.
Weakness classification
- nvd@nist.gov: CWE-367
Primary references
- cve@mitre.org — Exploit, Mailing List, Patch, Third Party Advisory
- cve@mitre.org — Patch, Third Party Advisory
- cve@mitre.org — Release Notes, Third Party Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Exploit, Third Party Advisory
- cve@mitre.org — Exploit, Third Party Advisory
- cve@mitre.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mailing List, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory