CVE-2021-23954

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-23954
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-23954.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-23954
Downstream
Related
Published
2021-02-26T03:15:13Z
Modified
2024-11-21T05:52:05Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.

References

Affected packages

Debian:11 / firefox-esr

Package

Name
firefox-esr
Purl
pkg:deb/debian/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
78.7.0esr-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / firefox-esr

Package

Name
firefox-esr
Purl
pkg:deb/debian/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
78.7.0esr-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / firefox-esr

Package

Name
firefox-esr
Purl
pkg:deb/debian/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
78.7.0esr-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:11 / thunderbird

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:78.7.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / thunderbird

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:78.7.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / thunderbird

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:78.7.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}