Operating System:

[Debian]

Published:

19 November 2020

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.4091
                        firefox-esr security update
                             19 November 2020

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           firefox-esr
Publisher:         Debian
Operating System:  Debian GNU/Linux
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Cross-site Scripting            -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
                   Provide Misleading Information  -- Remote with User Interaction
                   Access Confidential Data        -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-26968 CVE-2020-26965 CVE-2020-26961
                   CVE-2020-26960 CVE-2020-26959 CVE-2020-26958
                   CVE-2020-26956 CVE-2020-26953 CVE-2020-26951
                   CVE-2020-16012  

Reference:         ESB-2020.4081
                   ESB-2020.4080

Original Bulletin: 
   https://lists.debian.org/debian-security-announce/2020/msg00200.html

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Debian Security Advisory DSA-4793-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
November 18, 2020                     https://www.debian.org/security/faq
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Package        : firefox-esr
CVE ID         : CVE-2020-16012 CVE-2020-26951 CVE-2020-26953 CVE-2020-26956 
                 CVE-2020-26958 CVE-2020-26959 CVE-2020-26960 CVE-2020-26961 
                 CVE-2020-26965 CVE-2020-26968

Multiple security issues have been found in the Mozilla Firefox web
browser, which could potentially result in the execution of arbitrary
code, information disclosure, phishing, cross-site scripting or a DNS
rebinding attack.

For the stable distribution (buster), these problems have been fixed in
version 78.5.0esr-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 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
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===========================================================================
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