RedHat: RHSA-2020-2380:01 Important: firefox security update

    Date 03 Jun 2020
    141
    Posted By LinuxSecurity Advisories
    An update for firefox 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: firefox security update
    Advisory ID:       RHSA-2020:2380-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:2380
    Issue date:        2020-06-03
    CVE Names:         CVE-2020-12405 CVE-2020-12406 CVE-2020-12410 
    =====================================================================
    
    1. Summary:
    
    An update for firefox 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) - aarch64, ppc64le, s390x, x86_64
    
    3. Description:
    
    Mozilla Firefox is an open-source web browser, designed for standards
    compliance, performance, and portability.
    
    This update upgrades Firefox to version 68.9.0 ESR.
    
    Security Fix(es):
    
    * 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
    
    After installing the update, Firefox must be restarted for the changes 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
    
    6. Package List:
    
    Red Hat Enterprise Linux AppStream EUS (v. 8.1):
    
    Source:
    firefox-68.9.0-1.el8_1.src.rpm
    
    aarch64:
    firefox-68.9.0-1.el8_1.aarch64.rpm
    firefox-debuginfo-68.9.0-1.el8_1.aarch64.rpm
    firefox-debugsource-68.9.0-1.el8_1.aarch64.rpm
    
    ppc64le:
    firefox-68.9.0-1.el8_1.ppc64le.rpm
    firefox-debuginfo-68.9.0-1.el8_1.ppc64le.rpm
    firefox-debugsource-68.9.0-1.el8_1.ppc64le.rpm
    
    s390x:
    firefox-68.9.0-1.el8_1.s390x.rpm
    firefox-debuginfo-68.9.0-1.el8_1.s390x.rpm
    firefox-debugsource-68.9.0-1.el8_1.s390x.rpm
    
    x86_64:
    firefox-68.9.0-1.el8_1.x86_64.rpm
    firefox-debuginfo-68.9.0-1.el8_1.x86_64.rpm
    firefox-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-2020-12405
    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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