A firefox-esr security update has been released for Debian GNU/Linux 10 LTS to address multiple security issues.

DLA 3241-1: firefox-esr security update

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Debian LTS Advisory DLA-3241-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
December 15, 2022   https://wiki.debian.org/LTS
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Package : firefox-esr
Version : 102.6.0esr-1~deb10u1
CVE ID : CVE-2022-46872 CVE-2022-46874 CVE-2022-46878 CVE-2022-46880
CVE-2022-46881 CVE-2022-46882

Multiple security issues have been found in the Mozilla Firefox web
browser, which could potentially result in the execution of arbitrary
code or information disclosure.

For Debian 10 buster, these problems have been fixed in version
102.6.0esr-1~deb10u1.

We recommend that you upgrade your firefox-esr packages.

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

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://wiki.debian.org/LTS