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CVE-2021-21779

Description

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.


Affected Software


CPE Name Name Version
webkitgtk:webkitgtk webkitgtk 2.30.4
fedoraproject:fedora fedoraproject fedora 33
fedoraproject:fedora fedoraproject fedora 34
debian:debian_linux debian debian linux 10.0

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