A webkit2gtk security update has been released for Debian GNU/Linux 10 and 11 to address multiple vulnerabilities.

DSA 5154-1: webkit2gtk security update

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Debian Security Advisory DSA-5154-1 security@debian.org
  https://www.debian.org/security/ Alberto Garcia
June 01, 2022   https://www.debian.org/security/faq
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Package : webkit2gtk
CVE ID : CVE-2022-26700 CVE-2022-26709 CVE-2022-26716 CVE-2022-26717
CVE-2022-26719 CVE-2022-30293 CVE-2022-30294

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

CVE-2022-26700

ryuzaki discovered that processing maliciously crafted web content
may lead to code execution.

CVE-2022-26709

Chijin Zhou discovered that processing maliciously crafted web
content may lead to arbitrary code execution.

CVE-2022-26716

SorryMybad discovered that Processing maliciously crafted web
content may lead to arbitrary code execution.

CVE-2022-26717

Jeonghoon Shin discovered that Processing maliciously crafted web
content may lead to arbitrary code execution.

CVE-2022-26719

Dongzhuo Zhao discovered that Processing maliciously crafted web
content may lead to arbitrary code execution.

CVE-2022-30293

Chijin Zhou discovered that processing maliciously crafted web
content may lead to arbitrary code execution or to a denial of
service (application crash).

CVE-2022-30294

Chijin Zhou discovered that processing maliciously crafted web
content may lead to arbitrary code execution or to a denial of
service (application crash).

For the oldstable distribution (buster), these problems have been fixed
in version 2.36.3-1~deb10u1.

For the stable distribution (bullseye), these problems have been fixed in
version 2.36.3-1~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/