RedHat: RHSA-2020-2907:01 Important: thunderbird security update

    Date 14 Jul 2020
    139
    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-2020:2907-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:2907
    Issue date:        2020-07-14
    CVE Names:         CVE-2020-12417 CVE-2020-12418 CVE-2020-12419 
                       CVE-2020-12420 CVE-2020-12421 
    =====================================================================
    
    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 68.10.0.
    
    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
    
    All running instances of Thunderbird must be restarted for the update 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 AppStream EUS (v. 8.1):
    
    Source:
    thunderbird-68.10.0-1.el8_1.src.rpm
    
    ppc64le:
    thunderbird-68.10.0-1.el8_1.ppc64le.rpm
    thunderbird-debuginfo-68.10.0-1.el8_1.ppc64le.rpm
    thunderbird-debugsource-68.10.0-1.el8_1.ppc64le.rpm
    
    x86_64:
    thunderbird-68.10.0-1.el8_1.x86_64.rpm
    thunderbird-debuginfo-68.10.0-1.el8_1.x86_64.rpm
    thunderbird-debugsource-68.10.0-1.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-2020-12417
    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
    https://www.mozilla.org/en-US/security/advisories/mfsa2020-26/
    
    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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