The vulnerability of the `WebCore::RenderLayer::repaintBlockSelectionGaps` function in WPE WebKit and WebKitGTK rendering modules allows a attacker to execute arbitrary code.

The vulnerability of the WebCore::RenderLayer::repaintBlockSelectionGaps function in WPE WebKit and WebKitGTK rendering modules is related to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to execute arbitrary code...