CVE-2020-13584: Fedoraproject Fedora

High severity, CVSS 8.8. EPSS: 4.9% chance of exploitation in the next 30 days.

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.1 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in a remote code execution. The victim needs to visit a malicious web site to trigger this vulnerability.

Affected products

• Fedoraproject Fedora: version 32 only
• WebKitGTK WebKitGTK: version 2.30.1 only

Published 2020-12-03. Last modified 2026-06-17.