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    RedHat: RHSA-2020-2611:01 Important: thunderbird security update

    Date 18 Jun 2020
    325
    Posted By LinuxSecurity Advisories
    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-2020:2611-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:2611
    Issue date:        2020-06-18
    CVE Names:         CVE-2020-12398 CVE-2020-12405 CVE-2020-12406 
                       CVE-2020-12410 
    =====================================================================
    
    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 68.9.0.
    
    Security Fix(es):
    
    * Mozilla: Security downgrade with IMAP STARTTLS leads to information
    leakage (CVE-2020-12398)
    
    * Mozilla: Use-after-free in SharedWorkerService (CVE-2020-12405)
    
    * Mozilla: JavaScript Type confusion with NativeTypes (CVE-2020-12406)
    
    * Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9
    (CVE-2020-12410)
    
    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/):
    
    1843030 - CVE-2020-12410 Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9
    1843312 - CVE-2020-12406 Mozilla: JavaScript Type confusion with NativeTypes
    1843313 - CVE-2020-12405 Mozilla: Use-after-free in SharedWorkerService
    1846556 - CVE-2020-12398 Mozilla: Security downgrade with IMAP STARTTLS leads to information leakage
    
    6. Package List:
    
    Red Hat Enterprise Linux AppStream EUS (v. 8.1):
    
    Source:
    thunderbird-68.9.0-1.el8_1.src.rpm
    
    ppc64le:
    thunderbird-68.9.0-1.el8_1.ppc64le.rpm
    thunderbird-debuginfo-68.9.0-1.el8_1.ppc64le.rpm
    thunderbird-debugsource-68.9.0-1.el8_1.ppc64le.rpm
    
    x86_64:
    thunderbird-68.9.0-1.el8_1.x86_64.rpm
    thunderbird-debuginfo-68.9.0-1.el8_1.x86_64.rpm
    thunderbird-debugsource-68.9.0-1.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-2020-12398
    https://access.redhat.com/security/cve/CVE-2020-12405
    https://access.redhat.com/security/cve/CVE-2020-12406
    https://access.redhat.com/security/cve/CVE-2020-12410
    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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