ALPINE-CVE-2021-21779

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Source
https://security.alpinelinux.org/vuln/CVE-2021-21779
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21779.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2021-21779
Upstream
Published
2021-07-08T12:15:09Z
Modified
2026-11-03T06:32:27Z
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

A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.

References

Affected packages

Alpine:v3.14
webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:apk/alpine/webkit2gtk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.32.3-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21779.json"
Alpine:v3.15
webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:apk/alpine/webkit2gtk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.32.3-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21779.json"
Alpine:v3.16
webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:apk/alpine/webkit2gtk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.32.3-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21779.json"
Alpine:v3.17
webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:apk/alpine/webkit2gtk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.32.3-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21779.json"
Alpine:v3.18
webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:apk/alpine/webkit2gtk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.32.3-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21779.json"
Alpine:v3.19
webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:apk/alpine/webkit2gtk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.32.3-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21779.json"
Alpine:v3.20
webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:apk/alpine/webkit2gtk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.32.3-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21779.json"