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

DSA 5340-1: webkit2gtk security update

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Debian Security Advisory DSA-5340-1 security@debian.org
  https://www.debian.org/security/ Alberto Garcia
February 06, 2023   https://www.debian.org/security/faq
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Package : webkit2gtk
CVE ID : CVE-2022-42826 CVE-2023-23517 CVE-2023-23518

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

CVE-2022-42826

Francisco Alonso discovered that processing maliciously crafted
web content may lead to arbitrary code execution.

CVE-2023-23517

YeongHyeon Choi, Hyeon Park, SeOk JEON, YoungSung Ahn, JunSeo Bae
and Dohyun Lee discovered that processing maliciously crafted web
content may lead to arbitrary code execution.

CVE-2023-23518

YeongHyeon Choi, Hyeon Park, SeOk JEON, YoungSung Ahn, JunSeo Bae
and Dohyun Lee 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 2.38.4-2~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/