DSA-4945-1

CVE-2021-30689 CVE-2021-30720 CVE-2021-30734 CVE-2021-30744 CVE-2021-30749 CVE-2021-30758 CVE-2021-30795 CVE-2021-30797 CVE-2021-30799

The following vulnerabilities have been discovered in the webkit2gtk web engine:

CVE-2021-21775

Marcin Towalski discovered that a specially crafted web page can
lead to a potential information leak and further memory
corruption. In order to trigger the vulnerability, a victim must
be tricked into visiting a malicious webpage.

CVE-2021-21779

Marcin Towalski discovered that a specially crafted web page can
lead to a potential information leak and further memory
corruption. In order to trigger the vulnerability, a victim must
be tricked into visiting a malicious webpage.

CVE-2021-30663

An anonymous researcher discovered that processing maliciously
crafted web content may lead to arbitrary code execution.

CVE-2021-30665

yangkang discovered that processing maliciously crafted web
content may lead to arbitrary code execution. Apple is aware of a
report that this issue may have been actively exploited.

CVE-2021-30689

An anonymous researcher discovered that processing maliciously
crafted web content may lead to universal cross site scripting.

CVE-2021-30720

David Schutz discovered that a malicious website may be able to
access restricted ports on arbitrary servers.

CVE-2021-30734

Jack Dates discovered that processing maliciously crafted web
content may lead to arbitrary code execution.

CVE-2021-30744

Dan Hite discovered that processing maliciously crafted web
content may lead to universal cross site scripting.

CVE-2021-30749

An anonymous researcher discovered that processing maliciously
crafted web content may lead to arbitrary code execution.

CVE-2021-30758

Christoph Guttandin discovered that processing maliciously crafted
web content may lead to arbitrary code execution.

CVE-2021-30795...