CVE-2017-7156 Versions affected: WebKitGTK+ before 2.18.4.Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2017-13856 Versions affected: WebKitGTK+ before 2.18.4.Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2017-13866 Versions affected: WebKitGTK+ before 2.18.4.Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2017-13870 Versions affected: WebKitGTK+ before 2.18.4.Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: Multiple memory corruption issues were addressed with improved memory handling.