CVE-2020-26959

See a problem?
Please try reporting it to the source first.

Source

https://nvd.nist.gov/vuln/detail/CVE-2020-26959

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26959.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2020-26959

Related

Published

2020-12-09T01:15:13Z

Modified

2024-09-18T01:00:22Z

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

During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

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

78.5.0esr-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

78.5.0esr-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

78.5.0esr-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

1:78.5.0-1

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

1:78.5.0-1

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

1:78.5.0-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}