CVE-2021-21779

2021-07-0812:15:00

Alpine Linux Development Team

security.alpinelinux.org

0.003 Low

EPSS

Percentile

71.3%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Alpineedge-communitynoarchwebkit2gtk< 2.32.3-r0UNKNOWN
Alpine3.14-communitynoarchwebkit2gtk< 2.32.3-r0UNKNOWN
Alpine3.15-communitynoarchwebkit2gtk< 2.32.3-r0UNKNOWN
Alpine3.16-communitynoarchwebkit2gtk< 2.32.3-r0UNKNOWN
Alpine3.17-communitynoarchwebkit2gtk< 2.32.3-r0UNKNOWN
Alpine3.18-communitynoarchwebkit2gtk< 2.32.3-r0UNKNOWN
Alpine3.19-communitynoarchwebkit2gtk< 2.32.3-r0UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Alpine	edge-community	noarch	webkit2gtk	< 2.32.3-r0	UNKNOWN
Alpine	3.14-community	noarch	webkit2gtk	< 2.32.3-r0	UNKNOWN
Alpine	3.15-community	noarch	webkit2gtk	< 2.32.3-r0	UNKNOWN
Alpine	3.16-community	noarch	webkit2gtk	< 2.32.3-r0	UNKNOWN
Alpine	3.17-community	noarch	webkit2gtk	< 2.32.3-r0	UNKNOWN
Alpine	3.18-community	noarch	webkit2gtk	< 2.32.3-r0	UNKNOWN
Alpine	3.19-community	noarch	webkit2gtk	< 2.32.3-r0	UNKNOWN