CVE-2018-12294: Webkit Webkitgtk+

High severity, CVSS 8.8. EPSS: 2.4% chance of exploitation in the next 30 days.

WebCore/platform/graphics/texmap/TextureMapperLayer.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.2, is vulnerable to a use after free for a WebCore::TextureMapperLayer object.

Affected products

• Webkit Webkitgtk+: before 2.20.2 (fixed in 2.20.2)

Published 2018-06-19. Last modified 2026-06-17.