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Debian Security Advisory DSA-4813-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
December 16, 2020                     https://www.debian.org/security/faq
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Package        : firefox-esr
CVE ID         : CVE-2020-16042 CVE-2020-26971 CVE-2020-26973 CVE-2020-26974 
                 CVE-2020-26978 CVE-2020-35111 CVE-2020-35113

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 CSS sanitiser bypass.

For the stable distribution (buster), these problems have been fixed in
version 78.6.0esr-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/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