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

DSA 4681-1: webkit2gtk security update

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Debian Security Advisory DSA-4681-1 security@debian.org
  https://www.debian.org/security/ Alberto Garcia
May 07, 2020   https://www.debian.org/security/faq
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Package : webkit2gtk
CVE ID : CVE-2020-3885 CVE-2020-3894 CVE-2020-3895 CVE-2020-3897
CVE-2020-3899 CVE-2020-3900 CVE-2020-3901 CVE-2020-3902

The following vulnerability has been discovered in the webkit2gtk web
engine:

CVE-2020-3885

Ryan Pickren discovered that a file URL may be incorrectly
processed.

CVE-2020-3894

Sergei Glazunov discovered that a race condition may allow an
application to read restricted memory.

CVE-2020-3895

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

CVE-2020-3897

Brendan Draper discovered that a remote attacker may be able to
cause arbitrary code execution.

CVE-2020-3899

OSS-Fuzz discovered that A remote attacker may be able to cause
arbitrary code execution.

CVE-2020-3900

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

CVE-2020-3901

Benjamin Randazzo discovered that processing maliciously crafted
web content may lead to arbitrary code execution.

CVE-2020-3902

Yigit Can Yilmaz discovered that processing maliciously crafted
web content may lead to a cross site scripting attack.

For the stable distribution (buster), these problems have been fixed in
version 2.28.2-2~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/