A webkit2gtk security update has been released for Debian GNU/Linux 10 to address an arbitrary code execution issue.

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Debian Security Advisory DSA-4610-1 security@debian.org
https://www.debian.org/security/ Alberto Garcia
January 29, 2020 https://www.debian.org/security/faq
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Package : webkit2gtk
CVE ID : CVE-2019-8835 CVE-2019-8844 CVE-2019-8846

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

CVE-2019-8835

An anonymous researcher discovered that maliciously crafted web
content may lead to arbitrary code execution.

CVE-2019-8844

William Bowling discovered that maliciously crafted web content
may lead to arbitrary code execution.

CVE-2019-8846

Marcin Towalski of Cisco Talos discovered that maliciously crafted
web content may lead to arbitrary code execution.

For the stable distribution (buster), these problems have been fixed in
version 2.26.3-1~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/