RedHat: RHSA-2020-0111:01 Critical: firefox security update

    Date14 Jan 2020
    CategoryRed Hat
    150
    Posted ByLinuxSecurity Advisories
    An update for firefox is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Critical: firefox security update
    Advisory ID:       RHSA-2020:0111-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:0111
    Issue date:        2020-01-14
    CVE Names:         CVE-2019-17016 CVE-2019-17017 CVE-2019-17022 
                       CVE-2019-17024 CVE-2019-17026 
    =====================================================================
    
    1. Summary:
    
    An update for firefox is now available for Red Hat Enterprise Linux 8.
    
    Red Hat Product Security has rated this update as having a security impact
    of Critical. 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 (v. 8) - 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 68.4.1 ESR.
    
    Security Fix(es):
    
    * Mozilla: IonMonkey type confusion with StoreElementHole and
    FallibleStoreElement (CVE-2019-17026)
    
    * Mozilla: Bypass of @namespace CSS sanitization during pasting
    (CVE-2019-17016)
    
    * Mozilla: Type Confusion in XPCVariant.cpp (CVE-2019-17017)
    
    * Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4
    (CVE-2019-17024)
    
    * Mozilla: CSS sanitization does not escape HTML tags (CVE-2019-17022)
    
    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/):
    
    1788723 - CVE-2019-17016 Mozilla: Bypass of @namespace CSS sanitization during pasting
    1788724 - CVE-2019-17017 Mozilla: Type Confusion in XPCVariant.cpp
    1788726 - CVE-2019-17022 Mozilla: CSS sanitization does not escape HTML tags
    1788727 - CVE-2019-17024 Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4
    1789214 - CVE-2019-17026 Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement
    
    6. Package List:
    
    Red Hat Enterprise Linux AppStream (v. 8):
    
    Source:
    firefox-68.4.1-1.el8_1.src.rpm
    
    aarch64:
    firefox-68.4.1-1.el8_1.aarch64.rpm
    firefox-debuginfo-68.4.1-1.el8_1.aarch64.rpm
    firefox-debugsource-68.4.1-1.el8_1.aarch64.rpm
    
    ppc64le:
    firefox-68.4.1-1.el8_1.ppc64le.rpm
    firefox-debuginfo-68.4.1-1.el8_1.ppc64le.rpm
    firefox-debugsource-68.4.1-1.el8_1.ppc64le.rpm
    
    s390x:
    firefox-68.4.1-1.el8_1.s390x.rpm
    firefox-debuginfo-68.4.1-1.el8_1.s390x.rpm
    firefox-debugsource-68.4.1-1.el8_1.s390x.rpm
    
    x86_64:
    firefox-68.4.1-1.el8_1.x86_64.rpm
    firefox-debuginfo-68.4.1-1.el8_1.x86_64.rpm
    firefox-debugsource-68.4.1-1.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-2019-17016
    https://access.redhat.com/security/cve/CVE-2019-17017
    https://access.redhat.com/security/cve/CVE-2019-17022
    https://access.redhat.com/security/cve/CVE-2019-17024
    https://access.redhat.com/security/cve/CVE-2019-17026
    https://access.redhat.com/security/updates/classification/#critical
    https://www.mozilla.org/en-US/security/advisories/mfsa2020-02/
    
    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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