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Debian Security Advisory DSA-5097-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
March 09, 2022                        https://www.debian.org/security/faq
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Package        : firefox-esr
CVE ID         : CVE-2022-26381 CVE-2022-26383 CVE-2022-26384 CVE-2022-26386 
                 CVE-2022-26387

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

For the oldstable distribution (buster), these problems have been fixed
in version 91.7.0esr-1~deb10u1.

For the stable distribution (bullseye), these problems have been fixed in
version 91.7.0esr-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/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