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    RedHat: RHSA-2020-3343:01 Important: thunderbird security update

    Date
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    Posted By
    An update for thunderbird is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: thunderbird security update
    Advisory ID:       RHSA-2020:3343-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:3343
    Issue date:        2020-08-06
    CVE Names:         CVE-2020-6463 CVE-2020-6514 CVE-2020-15652 
                       CVE-2020-15659 
    =====================================================================
    
    1. Summary:
    
    An update for thunderbird is now available for Red Hat Enterprise Linux 8.0
    Update Services for SAP Solutions.
    
    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 AppStream E4S (v. 8.0) - ppc64le, x86_64
    
    3. Description:
    
    Mozilla Thunderbird is a standalone mail and newsgroup client.
    
    This update upgrades Thunderbird to version 68.11.0.
    
    Security Fix(es):
    
    * chromium-browser: Use after free in ANGLE (CVE-2020-6463)
    
    * chromium-browser: Inappropriate implementation in WebRTC (CVE-2020-6514)
    
    * Mozilla: Potential leak of redirect targets when loading scripts in a
    worker (CVE-2020-15652)
    
    * Mozilla: Memory safety bugs fixed in Firefox 79 and Firefox ESR 68.11
    (CVE-2020-15659)
    
    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
    
    All running instances of Thunderbird must be restarted for the update to
    take effect.
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    1840893 - CVE-2020-6463 chromium-browser: Use after free in ANGLE
    1857349 - CVE-2020-6514 chromium-browser: Inappropriate implementation in WebRTC
    1861570 - CVE-2020-15652 Mozilla: Potential leak of redirect targets when loading scripts in a worker
    1861572 - CVE-2020-15659 Mozilla: Memory safety bugs fixed in Firefox 79 and Firefox ESR 68.11
    
    6. Package List:
    
    Red Hat Enterprise Linux AppStream E4S (v. 8.0):
    
    Source:
    thunderbird-68.11.0-1.el8_0.src.rpm
    
    ppc64le:
    thunderbird-68.11.0-1.el8_0.ppc64le.rpm
    thunderbird-debuginfo-68.11.0-1.el8_0.ppc64le.rpm
    thunderbird-debugsource-68.11.0-1.el8_0.ppc64le.rpm
    
    x86_64:
    thunderbird-68.11.0-1.el8_0.x86_64.rpm
    thunderbird-debuginfo-68.11.0-1.el8_0.x86_64.rpm
    thunderbird-debugsource-68.11.0-1.el8_0.x86_64.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-2020-6463
    https://access.redhat.com/security/cve/CVE-2020-6514
    https://access.redhat.com/security/cve/CVE-2020-15652
    https://access.redhat.com/security/cve/CVE-2020-15659
    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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