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

DSA 4923-1: webkit2gtk security update

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Debian Security Advisory DSA-4923-1 security@debian.org
  https://www.debian.org/security/ Alberto Garcia
May 30, 2021   https://www.debian.org/security/faq
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Package : webkit2gtk
CVE ID : CVE-2021-1788 CVE-2021-1844 CVE-2021-1871

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

CVE-2021-1788

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

CVE-2021-1844

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

CVE-2021-1871

An anonymous researcher discovered that a remote attacker may be
able to cause arbitrary code execution.

For the stable distribution (buster), these problems have been fixed in
version 2.32.1-1~deb10u1.

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/