CVE-2020-13558: WebKitGTK

High severity, CVSS 8.8. EPSS: 1.9% chance of exploitation in the next 30 days.

A code execution vulnerability exists in the AudioSourceProviderGStreamer functionality of Webkit WebKitGTK 2.30.1. A specially crafted web page can lead to a use after free.

Affected products

• WebKitGTK WebKitGTK: version 2.30.1 only

Published 2021-03-03. Last modified 2026-06-17.