CVE-2021-29986

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-29986
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-29986.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-29986
Downstream
Related
Published
2021-08-17T20:15:07Z
Modified
2025-07-01T12:22:28.443225Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. Note: This issue only affected Linux operating systems. Other operating systems are unaffected. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

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
78.13.0esr-1~deb11u1

Affected versions

78.*

78.12.0esr-1
78.13.0esr-1~deb9u1
78.13.0esr-1~deb10u1

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
78.13.0esr-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
78.13.0esr-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
1:78.13.0-1~deb11u1

Affected versions

1:78.*

1:78.12.0-1
1:78.13.0-1~deb9u1
1:78.13.0-1~deb10u1

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
1:78.13.0-1

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
1:78.13.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}