DEBIAN-CVE-2020-12420

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Source
https://security-tracker.debian.org/tracker/DEBIAN-CVE-2020-12420
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-12420.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2020-12420
Upstream
Published
2020-07-09T15:15:11Z
Modified
2025-09-25T02:09:09.925776Z
Summary
[none]
Details

When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

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
68.10.0esr-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

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
1:68.10.0-1

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
68.10.0esr-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

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
1:68.10.0-1

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
68.10.0esr-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

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
1:68.10.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14

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
68.10.0esr-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

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
1:68.10.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}