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    RedHat: RHSA-2020-4158:01 Important: thunderbird security update

    Date 01 Oct 2020
    123
    Posted By LinuxSecurity Advisories
    An update for thunderbird is now available for Red Hat Enterprise Linux 6. 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: thunderbird security update
    Advisory ID:       RHSA-2020:4158-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:4158
    Issue date:        2020-10-01
    CVE Names:         CVE-2020-15673 CVE-2020-15676 CVE-2020-15677 
                       CVE-2020-15678 
    =====================================================================
    
    1. Summary:
    
    An update for thunderbird is now available for Red Hat Enterprise Linux 6.
    
    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 Desktop (v. 6) - i386, x86_64
    Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
    Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
    
    3. Description:
    
    Mozilla Thunderbird is a standalone mail and newsgroup client.
    
    This update upgrades Thunderbird to version 78.3.1.
    
    Security Fix(es):
    
    * Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3
    (CVE-2020-15673)
    
    * Mozilla: XSS when pasting attacker-controlled data into a contenteditable
    element (CVE-2020-15676)
    
    * Mozilla: Download origin spoofing via redirect (CVE-2020-15677)
    
    * Mozilla: When recursing through layers while scrolling, an iterator may
    have become invalid, resulting in a potential use-after-free scenario
    (CVE-2020-15678)
    
    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/):
    
    1881664 - CVE-2020-15677 Mozilla: Download origin spoofing via redirect
    1881665 - CVE-2020-15676 Mozilla: XSS when pasting attacker-controlled data into a contenteditable element
    1881666 - CVE-2020-15678 Mozilla: When recursing through layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free scenario
    1881667 - CVE-2020-15673 Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3
    
    6. Package List:
    
    Red Hat Enterprise Linux Desktop (v. 6):
    
    Source:
    thunderbird-78.3.1-1.el6_10.src.rpm
    
    i386:
    thunderbird-78.3.1-1.el6_10.i686.rpm
    
    x86_64:
    thunderbird-78.3.1-1.el6_10.x86_64.rpm
    thunderbird-debuginfo-78.3.1-1.el6_10.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional (v. 6):
    
    Source:
    thunderbird-78.3.1-1.el6_10.src.rpm
    
    i386:
    thunderbird-78.3.1-1.el6_10.i686.rpm
    
    ppc64:
    thunderbird-78.3.1-1.el6_10.ppc64.rpm
    thunderbird-debuginfo-78.3.1-1.el6_10.ppc64.rpm
    
    s390x:
    thunderbird-78.3.1-1.el6_10.s390x.rpm
    thunderbird-debuginfo-78.3.1-1.el6_10.s390x.rpm
    
    x86_64:
    thunderbird-78.3.1-1.el6_10.x86_64.rpm
    thunderbird-debuginfo-78.3.1-1.el6_10.x86_64.rpm
    
    Red Hat Enterprise Linux Workstation (v. 6):
    
    Source:
    thunderbird-78.3.1-1.el6_10.src.rpm
    
    i386:
    thunderbird-78.3.1-1.el6_10.i686.rpm
    
    x86_64:
    thunderbird-78.3.1-1.el6_10.x86_64.rpm
    thunderbird-debuginfo-78.3.1-1.el6_10.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-2020-15673
    https://access.redhat.com/security/cve/CVE-2020-15676
    https://access.redhat.com/security/cve/CVE-2020-15677
    https://access.redhat.com/security/cve/CVE-2020-15678
    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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