DEBIAN-CVE-2021-21806

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Source
https://security-tracker.debian.org/tracker/CVE-2021-21806
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-21806.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-21806
Upstream
Published
2021-07-08T12:15:10Z
Modified
2025-09-30T03:54:40Z
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

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim needs to visit a malicious web site to trigger the vulnerability.

References

Affected packages

Debian:11

webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:deb/debian/webkit2gtk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.30.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

wpewebkit

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.30.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12

webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:deb/debian/webkit2gtk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.30.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

wpewebkit

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.30.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13

webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:deb/debian/webkit2gtk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.30.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

wpewebkit

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.30.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14

webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:deb/debian/webkit2gtk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.30.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

wpewebkit

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.30.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}