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    RedHat: RHSA-2020-3342:01 Important: thunderbird security update

    Date
    221
    Posted By
    An update for thunderbird is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. 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-2020:3342-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:3342
    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 8.1
    Extended Update Support.
    
    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 EUS (v. 8.1) - 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 EUS (v. 8.1):
    
    Source:
    thunderbird-68.11.0-1.el8_1.src.rpm
    
    ppc64le:
    thunderbird-68.11.0-1.el8_1.ppc64le.rpm
    thunderbird-debuginfo-68.11.0-1.el8_1.ppc64le.rpm
    thunderbird-debugsource-68.11.0-1.el8_1.ppc64le.rpm
    
    x86_64:
    thunderbird-68.11.0-1.el8_1.x86_64.rpm
    thunderbird-debuginfo-68.11.0-1.el8_1.x86_64.rpm
    thunderbird-debugsource-68.11.0-1.el8_1.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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