CVE-2021-26910

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Source
https://cve.org/CVERecord?id=CVE-2021-26910
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-26910.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-26910
Downstream
Related
Published
2021-02-08T20:15:13Z
Modified
2026-10-16T02:50:01Z
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.

Database specific 
{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "introduced":  "9.0"
                        },
                        {
                            "last_affected":  "9.0"
                        },
                        {
                            "introduced":  "10.0"
                        },
                        {
                            "last_affected":  "10.0"
                        }
                    ],
                    "source":  "CPE_STRING"
                }
            ],
            "vendor_product":  "debian:debian_linux"
        }
    ]
}
References

Affected packages

Git / github.com/netblue30/firejail

Affected ranges

Type
GIT
Repo
https://github.com/netblue30/firejail
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
b818fc40cef9865b3202b7de227348dd26acf9fd
Fixed
97d8a03cad19501f017587cc4e47d8418273834b
Database specific
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:firejail_project:firejail:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "0.9.64.4"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "range":  [
                {
                    "fixed":  "97d8a03cad19501f017587cc4e47d8418273834b"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "original_tag":  "0.9.64.4",
            "range":  [
                {
                    "fixed":  "b818fc40cef9865b3202b7de227348dd26acf9fd"
                }
            ],
            "source":  "REFERENCES_TAG"
        }
    ]
}

Affected versions

0.*
0.9.30
0.9.30-rc1
0.9.32
0.9.32-rc1
0.9.34
0.9.34-rc1
0.9.36
0.9.36-rc1
0.9.38
0.9.38-rc1
0.9.40
0.9.40-rc1
0.9.42
0.9.42-rc1
0.9.42-rc2
0.9.44
0.9.44-rc1
0.9.46-rc1
0.9.48
0.9.50-rc1
0.9.52
0.9.54
0.9.54-rc1
0.9.54-rc2
0.9.56
0.9.56-rc1
0.9.58
0.9.58-rc1
0.9.58.2
0.9.60
0.9.60-rc1
0.9.64
0.9.64.2
0.9.64rc1
Other
disable-globalcfg

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-26910.json"