A webkit2gtk security update has been released for Debian GNU/Linux 11 to address multiple security issues in the WebKitGTK web engine.

DSA 5308-1: webkit2gtk security update

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Debian Security Advisory DSA-5308-1 security@debian.org
  https://www.debian.org/security/ Alberto Garcia
December 31, 2022   https://www.debian.org/security/faq
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Package : webkit2gtk
CVE ID : CVE-2022-42852 CVE-2022-42856 CVE-2022-42867 CVE-2022-46692
CVE-2022-46698 CVE-2022-46699 CVE-2022-46700

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

CVE-2022-42852

hazbinhotel discovered that processing maliciously crafted web
content may result in the disclosure of process memory.

CVE-2022-42856

Clement Lecigne discovered that processing maliciously crafted web
content may lead to arbitrary code execution.

CVE-2022-42867

Maddie Stone discovered that processing maliciously crafted web
content may lead to arbitrary code execution.

CVE-2022-46692

KirtiKumar Anandrao Ramchandani discovered that processing
maliciously crafted web content may bypass Same Origin Policy.

CVE-2022-46698

Dohyun Lee and Ryan Shin discovered that processing maliciously
crafted web content may disclose sensitive user information.

CVE-2022-46699

Samuel Gross discovered that processing maliciously crafted web
content may lead to arbitrary code execution.

CVE-2022-46700

Samuel Gross discovered that processing maliciously crafted web
content may lead to arbitrary code execution.

For the stable distribution (bullseye), these problems have been fixed in
version 2.38.3-1~deb11u1.

We recommend that you upgrade your webkit2gtk packages.

For the detailed security status of webkit2gtk please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/webkit2gtk

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://www.debian.org/security/