The following vulnerabilities have been discovered in the webkit2gtk web engine: CVE-2021-30934 Dani Biro discovered that processing maliciously crafted web content may lead to arbitrary code execution. CVE-2021-30936 Chijin Zhou discovered that processing maliciously crafted web content may lead to arbitrary code execution. CVE-2021-30951 Pangu discovered that processing maliciously crafted web content may lead to arbitrary code execution. CVE-2021-30952 WeBin discovered that processing maliciously crafted web content may lead to arbitrary code execution. CVE-2021-30953 VRIJ discovered that processing maliciously crafted web content may lead to arbitrary code execution. CVE-2021-30954 Kunlun Lab discovered that processing maliciously crafted web content may lead to arbitrary code execution. CVE-2021-30984 Kunlun Lab discovered that processing maliciously crafted web content may lead to arbitrary code execution.