A chromium security update has been released Debian GNU/Linux 11 to address multiple security issues.

DSA 5187-1: chromium security update

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Debian Security Advisory DSA-5187-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
July 22, 2022   https://www.debian.org/security/faq
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Package : chromium
CVE ID : CVE-2022-2163 CVE-2022-2477 CVE-2022-2478 CVE-2022-2479
CVE-2022-2480 CVE-2022-2481

Multiple security issues were discovered in Chromium, which could result
in the execution of arbitrary code, denial of service or information
disclosure.

For the stable distribution (bullseye), these problems have been fixed in
version 103.0.5060.134-1~deb11u1.

We recommend that you upgrade your chromium packages.

For the detailed security status of chromium please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/chromium

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/