Debian LTS: DLA-2863-1: firefox-esr security update

Advisories


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Debian LTS Advisory DLA-2863-1                [email protected]
https://www.debian.org/lts/security/               Emilio Pozuelo Monfort
December 29, 2021                             https://wiki.debian.org/LTS
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Package        : firefox-esr
Version        : 91.4.1esr-1~deb9u1
CVE ID         : CVE-2021-38503 CVE-2021-38504 CVE-2021-38506 CVE-2021-38507
                 CVE-2021-38508 CVE-2021-38509 CVE-2021-43534 CVE-2021-43535
                 CVE-2021-43536 CVE-2021-43537 CVE-2021-43538 CVE-2021-43539
                 CVE-2021-43541 CVE-2021-43542 CVE-2021-43543 CVE-2021-43545
                 CVE-2021-43546

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

Debian follows the extended support releases (ESR) of Firefox. Support
for the 78.x series has ended, so starting with this update we're now
following the 91.x releases.

For Debian 9 stretch, these problems have been fixed in version
91.4.1esr-1~deb9u1.

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

Debian LTS: DLA-2863-1: firefox-esr security update

December 29, 2021
Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, information disclosure or spoofing

Summary

Debian follows the extended support releases (ESR) of Firefox. Support
for the 78.x series has ended, so starting with this update we're now
following the 91.x releases.

For Debian 9 stretch, these problems have been fixed in version
91.4.1esr-1~deb9u1.

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

Severity
Package : firefox-esr
Version : 91.4.1esr-1~deb9u1
CVE ID : CVE-2021-38503 CVE-2021-38504 CVE-2021-38506 CVE-2021-38507

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