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    Gentoo: GLSA-202102-01: Mozilla Firefox: Multiple vulnerabilities

    Date 31 Jan 2021
    193
    Posted By LinuxSecurity Advisories
    Multiple vulnerabilities have been found in Mozilla Firefox, the worst of which could result in the arbitrary execution of code.
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    Gentoo Linux Security Advisory                           GLSA 202102-01
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                                               https://security.gentoo.org/
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     Severity: Normal
        Title: Mozilla Firefox: Multiple vulnerabilities
         Date: February 01, 2021
         Bugs: #767334
           ID: 202102-01
    
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    Synopsis
    ========
    
    Multiple vulnerabilities have been found in Mozilla Firefox, 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.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  www-client/firefox            < 85.0           >= 78.7.0:0/esr78
                                                                  >= 85.0
      2  www-client/firefox-bin        < 85.0           >= 78.7.0:0/esr78
                                                                  >= 85.0
        -------------------------------------------------------------------
         2 affected packages
    
    Description
    ===========
    
    Multiple vulnerabilities have been discovered in Mozilla Firefox.
    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 ESR users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=www-client/firefox-78.7.0"
    
    All Mozilla Firefox ESR binary users should upgrade to the latest
    version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=www-client/firefox-bin-78.7.0"
    
    All Mozilla Firefox users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=www-client/firefox-85.0"
    
    All Mozilla Firefox binary users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=www-client/firefox-bin-85.0"
    
    References
    ==========
    
    [  1 ] CVE-2021-23953
           https://nvd.nist.gov/vuln/detail/CVE-2021-23953
    [  2 ] CVE-2021-23954
           https://nvd.nist.gov/vuln/detail/CVE-2021-23954
    [  3 ] CVE-2021-23955
           https://nvd.nist.gov/vuln/detail/CVE-2021-23955
    [  4 ] CVE-2021-23956
           https://nvd.nist.gov/vuln/detail/CVE-2021-23956
    [  5 ] CVE-2021-23958
           https://nvd.nist.gov/vuln/detail/CVE-2021-23958
    [  6 ] CVE-2021-23960
           https://nvd.nist.gov/vuln/detail/CVE-2021-23960
    [  7 ] CVE-2021-23961
           https://nvd.nist.gov/vuln/detail/CVE-2021-23961
    [  8 ] CVE-2021-23962
           https://nvd.nist.gov/vuln/detail/CVE-2021-23962
    [  9 ] CVE-2021-23963
           https://nvd.nist.gov/vuln/detail/CVE-2021-23963
    [ 10 ] CVE-2021-23964
           https://nvd.nist.gov/vuln/detail/CVE-2021-23964
    [ 11 ] CVE-2021-23965
           https://nvd.nist.gov/vuln/detail/CVE-2021-23965
    [ 12 ] CVE-2021-26976
           https://nvd.nist.gov/vuln/detail/CVE-2021-26976
    [ 13 ] Upstream advisory (MFSA-2021-03)
           https://www.mozilla.org/en-US/security/advisories/mfsa2021-03/
    [ 14 ] Upstream advisory (MFSA-2021-04)
           https://www.mozilla.org/en-US/security/advisories/mfsa2021-04/
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/202102-01
    
    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 2021 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
    

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