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

DLA 3391-1: firefox-esr security update

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Debian LTS Advisory DLA-3391-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
April 12, 2023   https://wiki.debian.org/LTS
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Package : firefox-esr
Version : 102.10.0esr-1~deb10u1
CVE ID : CVE-2023-1945 CVE-2023-29533 CVE-2023-29535 CVE-2023-29536
CVE-2023-29539 CVE-2023-29541 CVE-2023-29548 CVE-2023-29550
Debian Bug : 982794

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

For Debian 10 buster, these problems have been fixed in version
102.10.0esr-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