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    RedHat: RHSA-2020-2827:01 Important: firefox security update

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    An update for firefox is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: firefox security update
    Advisory ID:       RHSA-2020:2827-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:2827
    Issue date:        2020-07-06
    CVE Names:         CVE-2020-12417 CVE-2020-12418 CVE-2020-12419 
                       CVE-2020-12420 CVE-2020-12421 
    =====================================================================
    
    1. Summary:
    
    An update for firefox is now available for Red Hat Enterprise Linux 7.
    
    Red Hat Product Security has rated this update as having a security impact
    of Important. A Common Vulnerability Scoring System (CVSS) base score,
    which gives a detailed severity rating, is available for each vulnerability
    from the CVE link(s) in the References section.
    
    2. Relevant releases/architectures:
    
    Red Hat Enterprise Linux Client (v. 7) - x86_64
    Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
    Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
    Red Hat Enterprise Linux Server Optional (v. 7) - x86_64
    Red Hat Enterprise Linux Workstation (v. 7) - x86_64
    Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
    
    3. Description:
    
    Mozilla Firefox is an open-source web browser, designed for standards
    compliance, performance, and portability.
    
    This update upgrades Firefox to version 68.10.0 ESR.
    
    Security Fix(es):
    
    * Mozilla: Memory corruption due to missing sign-extension for ValueTags on
    ARM64 (CVE-2020-12417)
    
    * Mozilla: Information disclosure due to manipulated URL object
    (CVE-2020-12418)
    
    * Mozilla: Use-after-free in nsGlobalWindowInner (CVE-2020-12419)
    
    * Mozilla: Use-After-Free when trying to connect to a STUN server
    (CVE-2020-12420)
    
    * Mozilla: Add-On updates did not respect the same certificate trust rules
    as software updates (CVE-2020-12421)
    
    For more details about the security issue(s), including the impact, a CVSS
    score, acknowledgments, and other related information, refer to the CVE
    page(s) listed in the References section.
    
    4. Solution:
    
    For details on how to apply this update, which includes the changes
    described in this advisory, refer to:
    
    https://access.redhat.com/articles/11258
    
    After installing the update, Firefox must be restarted for the changes to
    take effect.
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    1853014 - CVE-2020-12417 Mozilla: Memory corruption due to missing sign-extension for ValueTags on ARM64
    1853015 - CVE-2020-12418 Mozilla: Information disclosure due to manipulated URL object
    1853016 - CVE-2020-12419 Mozilla: Use-after-free in nsGlobalWindowInner
    1853017 - CVE-2020-12420 Mozilla: Use-After-Free when trying to connect to a STUN server
    1853018 - CVE-2020-12421 Mozilla: Add-On updates did not respect the same certificate trust rules as software updates
    
    6. Package List:
    
    Red Hat Enterprise Linux Client (v. 7):
    
    Source:
    firefox-68.10.0-1.el7_8.src.rpm
    
    x86_64:
    firefox-68.10.0-1.el7_8.x86_64.rpm
    firefox-debuginfo-68.10.0-1.el7_8.x86_64.rpm
    
    Red Hat Enterprise Linux Client Optional (v. 7):
    
    x86_64:
    firefox-68.10.0-1.el7_8.i686.rpm
    firefox-debuginfo-68.10.0-1.el7_8.i686.rpm
    
    Red Hat Enterprise Linux Server (v. 7):
    
    Source:
    firefox-68.10.0-1.el7_8.src.rpm
    
    ppc64:
    firefox-68.10.0-1.el7_8.ppc64.rpm
    firefox-debuginfo-68.10.0-1.el7_8.ppc64.rpm
    
    ppc64le:
    firefox-68.10.0-1.el7_8.ppc64le.rpm
    firefox-debuginfo-68.10.0-1.el7_8.ppc64le.rpm
    
    s390x:
    firefox-68.10.0-1.el7_8.s390x.rpm
    firefox-debuginfo-68.10.0-1.el7_8.s390x.rpm
    
    x86_64:
    firefox-68.10.0-1.el7_8.x86_64.rpm
    firefox-debuginfo-68.10.0-1.el7_8.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional (v. 7):
    
    x86_64:
    firefox-68.10.0-1.el7_8.i686.rpm
    firefox-debuginfo-68.10.0-1.el7_8.i686.rpm
    
    Red Hat Enterprise Linux Workstation (v. 7):
    
    Source:
    firefox-68.10.0-1.el7_8.src.rpm
    
    x86_64:
    firefox-68.10.0-1.el7_8.x86_64.rpm
    firefox-debuginfo-68.10.0-1.el7_8.x86_64.rpm
    
    Red Hat Enterprise Linux Workstation Optional (v. 7):
    
    x86_64:
    firefox-68.10.0-1.el7_8.i686.rpm
    firefox-debuginfo-68.10.0-1.el7_8.i686.rpm
    
    These packages are GPG signed by Red Hat for security.  Our key and
    details on how to verify the signature are available from
    https://access.redhat.com/security/team/key/
    
    7. References:
    
    https://access.redhat.com/security/cve/CVE-2020-12417
    https://access.redhat.com/security/cve/CVE-2020-12418
    https://access.redhat.com/security/cve/CVE-2020-12419
    https://access.redhat.com/security/cve/CVE-2020-12420
    https://access.redhat.com/security/cve/CVE-2020-12421
    https://access.redhat.com/security/updates/classification/#important
    
    8. Contact:
    
    The Red Hat security contact is . More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2020 Red Hat, Inc.
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