DEBIAN-CVE-2021-26910

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Source
https://security-tracker.debian.org/tracker/CVE-2021-26910
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26910.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-26910
Upstream
Published
2021-02-08T20:15:13.090Z
Modified
2025-11-19T01:06:25.239526Z
Severity
  • 7.0 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:11 / firejail

Package

Name
firejail
Purl
pkg:deb/debian/firejail?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.64.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26910.json"

Debian:12 / firejail

Package

Name
firejail
Purl
pkg:deb/debian/firejail?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.64.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26910.json"

Debian:13 / firejail

Package

Name
firejail
Purl
pkg:deb/debian/firejail?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.64.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26910.json"

Debian:14 / firejail

Package

Name
firejail
Purl
pkg:deb/debian/firejail?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.64.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26910.json"