The following vulnerabilities have been discovered in the libwebkit2gtk-4.0-dev web engine: CVE-2019-8835 An anonymous researcher discovered that maliciously crafted web content may lead to arbitrary code execution. CVE-2019-8844 William Bowling discovered that maliciously crafted web content may lead to arbitrary code execution. CVE-2019-8846 Marcin Towalski of Cisco Talos discovered that maliciously crafted web content may lead to arbitrary code execution.