A webkit2gtk security update has been released for Debian GNU/Linux 11 and 12 to address multiple vulnerabilities.

[SECURITY] [DSA 5457-1] webkit2gtk security update

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Debian Security Advisory DSA-5457-1 security@debian.org
https://www.debian.org/security/ Alberto Garcia
July 22, 2023 https://www.debian.org/security/faq
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Package : webkit2gtk
CVE ID : CVE-2023-37450

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

CVE-2023-37450

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

For the oldstable distribution (bullseye), this problem has been fixed
in version 2.40.3-2~deb11u2.

For the stable distribution (bookworm), this problem has been fixed in
version 2.40.3-2~deb12u2.

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/