Linux Security
    Linux Security
    Linux Security

    Gentoo: GLSA-202012-20: Mozilla Firefox, Mozilla Thunderbird: Multiple vulnerabilities

    Date 23 Dec 2020
    447
    Posted By LinuxSecurity Advisories
    Multiple vulnerabilities have been found in Mozilla Firefox and Mozilla Thunderbird, the worst of which could result in the arbitrary execution of code. [More...]
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    Gentoo Linux Security Advisory                           GLSA 202012-20
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                                https://security.gentoo.org/
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
      Severity: Normal
         Title: Mozilla Firefox, Mozilla Thunderbird: Multiple
                vulnerabilities
          Date: December 23, 2020
          Bugs: #759097
            ID: 202012-20
    
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
    Synopsis
    ========
    
    Multiple vulnerabilities have been found in Mozilla Firefox and Mozilla
    Thunderbird, the worst of which could result in the arbitrary execution
    of code.
    
    Background
    ==========
    
    Mozilla Firefox is a popular open-source web browser from the Mozilla
    project.
    
    Mozilla Thunderbird is a popular open-source email client from the
    Mozilla project.
    
    Affected packages
    =================
    
         -------------------------------------------------------------------
          Package              /     Vulnerable     /            Unaffected
         -------------------------------------------------------------------
       1  www-client/firefox            < 84.0           >= 78.6.0:0/esr78
                                                                   >= 84.0
       2  www-client/firefox-bin        < 84.0           >= 78.6.0:0/esr78
                                                                   >= 84.0
       3  mail-client/thunderbird      < 78.6.0                  >= 78.6.0
       4  mail-client/thunderbird-bin
                                       < 78.6.0                  >= 78.6.0
         -------------------------------------------------------------------
          4 affected packages
    
    Description
    ===========
    
    Multiple vulnerabilities have been discovered in Mozilla Firefox and
    Mozilla Thunderbird. Please review the CVE identifiers referenced below
    for details.
    
    Impact
    ======
    
    Please review the referenced CVE identifiers for details.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All Mozilla Firefox users should upgrade to the latest version:
    
       # emerge --sync
       # emerge --ask --oneshot --verbose ">=www-client/firefox-84.0"
    
    All Mozilla Firefox (bin) users should upgrade to the latest version:
    
       # emerge --sync
       # emerge --ask --oneshot --verbose ">=www-client/firefox-bin-84.0"
    
    All Mozilla Firefox ESR users should upgrade to the latest version:
    
       # emerge --sync
       # emerge --ask --oneshot -v ">=www-client/firefox-78.6.0:0/esr78"
    
    All Mozilla Firefox ESR (bin) users should upgrade to the latest
    version:
    
       # emerge --sync
       # emerge --ask --oneshot -v ">=www-client/firefox-bin-78.6.0:0/esr78"
    
    All Mozilla Thunderbird users should upgrade to the latest version:
    
       # emerge --sync
       # emerge --ask --oneshot --verbose ">=mail-client/thunderbird-78.6.0"
    
    All Mozilla Thunderbird (bin) users should upgrade to the latest
    version:
    
       # emerge --sync
       # emerge --ask --oneshot -v ">=mail-client/thunderbird-bin-78.6.0"
    
    References
    ==========
    
    [ 1 ] CVE-2020-16042
           https://nvd.nist.gov/vuln/detail/CVE-2020-16042
    [ 2 ] CVE-2020-26971
           https://nvd.nist.gov/vuln/detail/CVE-2020-26971
    [ 3 ] CVE-2020-26973
           https://nvd.nist.gov/vuln/detail/CVE-2020-26973
    [ 4 ] CVE-2020-26974
           https://nvd.nist.gov/vuln/detail/CVE-2020-26974
    [ 5 ] CVE-2020-26978
           https://nvd.nist.gov/vuln/detail/CVE-2020-26978
    [ 6 ] CVE-2020-35111
           https://nvd.nist.gov/vuln/detail/CVE-2020-35111
    [ 7 ] CVE-2020-35113
           https://nvd.nist.gov/vuln/detail/CVE-2020-35113
    [ 8 ] MFSA-2020-55
           https://www.mozilla.org/en-US/security/advisories/mfsa2020-55/
    [ 9 ] MFSA-2020-56
           https://www.mozilla.org/en-US/security/advisories/mfsa2020-56/
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
      https://security.gentoo.org/glsa/202012-20
    
    Concerns?
    =========
    
    Security is a primary focus of Gentoo Linux and ensuring the
    confidentiality and security of our users' machines is of utmost
    importance to us. Any security concerns should be addressed to
    This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at
    https://bugs.gentoo.org.
    
    License
    =======
    
    Copyright 2020 Gentoo Foundation, Inc; referenced text
    belongs to its owner(s).
    
    The contents of this document are licensed under the
    Creative Commons - Attribution / Share Alike license.
    
    https://creativecommons.org/licenses/by-sa/2.5
    
    

    Advisories

    LinuxSecurity Poll

    'Tis the season of giving! How have you given back to the open-source community?

    No answer selected. Please try again.
    Please select either existing option or enter your own, however not both.
    Please select minimum 0 answer(s) and maximum 3 answer(s).
    /main-polls/49-tis-the-season-of-giving-how-have-you-given-back-to-the-open-source-community?task=poll.vote&format=json
    49
    radio
    [{"id":"171","title":"I've contributed to the development of an open-source project.","votes":"22","type":"x","order":"1","pct":34.92,"resources":[]},{"id":"172","title":"I've reviewed open-source code for security bugs.","votes":"13","type":"x","order":"2","pct":20.63,"resources":[]},{"id":"173","title":"I've made a donation to an open-source project.","votes":"28","type":"x","order":"3","pct":44.44,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350

    Please vote first in order to view vote results.


    VIEW MORE POLLS

    bottom 200

    Please enable / Bitte aktiviere JavaScript!
    Veuillez activer / Por favor activa el Javascript![ ? ]

    We use cookies to provide and improve our services. By using our site, you consent to our Cookie Policy.