Talos experts found flaws in the WebKit browser engine that can be also exploited for remote code execution via specially crafted websites. The issues affect WebKits WebSocket, AudioSource ProviderGStreamer and ImageDecoderGStreamer functionality. Cisco Talos researchers also published SNORT rules (Snort Rules) for the above flaws to allow customers to detect exploitation attempts. The developers of WebKitGTK and WPE Several vulnerabilities published a security advisory for a set of vulnerabilities (Cisco Talos)”]
Source: https://securityaffairs.co/wordpress/111698/hacking/webkit-browser-engine-flaws.html