CVE-2021-29978

Source
https://cve.org/CVERecord?id=CVE-2021-29978
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29978.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-29978
Published
2021-08-05T20:15:08.857Z
Modified
2026-07-09T01:25:53.390615Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Multiple low security issues were discovered and fixed in a security audit of Mozilla VPN 2.x branch as part of a 3rd party security audit. This vulnerability affects Mozilla VPN < 2.3.

References

Affected packages

Git / github.com/mozilla-mobile/mozilla-vpn-client

Affected ranges

Type
GIT
Repo
https://github.com/mozilla-mobile/mozilla-vpn-client
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
{
    "cpe": "cpe:2.3:a:mozilla:mozilla_vpn:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "2.0"
        },
        {
            "fixed": "2.3"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

v2.*
v2.0.1
v2.0.3
v2.1.0

Database specific

vanir_signatures_modified
"2026-07-09T01:25:53Z"
vanir_signatures
[
    {
        "signature_type": "Line",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "242845269385789729425996909850675459526",
                "48839660993913130052987421493545864172",
                "146465165643666588836305914378673573212",
                "183566449150846803879227182520822533554",
                "106998597121319061773222726912729208694",
                "285590340921125107381616344130251143202",
                "20972764998622410309660077041758165786",
                "195515157130220801614989672460164467529"
            ]
        },
        "signature_version": "v1",
        "source": "https://github.com/mozilla-mobile/mozilla-vpn-client/commit/46707e6bf02bc1252ab53908b72c716ba5a1eeeb",
        "id": "CVE-2021-29978-1e181dd3",
        "target": {
            "file": "src/tasks/authenticate/taskauthenticate.cpp"
        }
    },
    {
        "signature_type": "Function",
        "deprecated": false,
        "digest": {
            "length": 1891.0,
            "function_hash": "210460384781796843534317435578731586283"
        },
        "signature_version": "v1",
        "source": "https://github.com/mozilla-mobile/mozilla-vpn-client/commit/46707e6bf02bc1252ab53908b72c716ba5a1eeeb",
        "id": "CVE-2021-29978-93162617",
        "target": {
            "function": "TaskAuthenticate::run",
            "file": "src/tasks/authenticate/taskauthenticate.cpp"
        }
    }
]
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29978.json"