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Debian Security Advisory DSA-5044-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
January 13, 2022                      https://www.debian.org/security/faq
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Package        : firefox-esr
CVE ID         : CVE-2021-4140  CVE-2022-22737 CVE-2022-22738 CVE-2022-22739 
                 CVE-2022-22740 CVE-2022-22741 CVE-2022-22742 CVE-2022-22743 
                 CVE-2022-22745 CVE-2022-22747 CVE-2022-22748 CVE-2022-22751

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

For the oldstable distribution (buster), these problems have been fixed
in version 91.5.0esr-1~deb10u1. Not all architectures are available for
oldstable yet, most notably i386 (32 bits x86) is missing.

For the stable distribution (bullseye), these problems have been fixed in
version 91.5.0esr-1~deb11u1.

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/source-package/firefox-esr

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/

Mailing list: debian-security-announce@lists.debian.org