-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: firefox security update Advisory ID: RHSA-2020:3835-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:3835 Issue date: 2020-09-24 CVE Names: CVE-2020-15673 CVE-2020-15676 CVE-2020-15677 CVE-2020-15678 ==================================================================== 1. Summary: An update for firefox 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 Desktop Optional (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - 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 78.3.0 ESR. 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 After installing the update, Firefox must be restarted for the changes 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: firefox-78.3.0-1.el6_10.src.rpm i386: firefox-78.3.0-1.el6_10.i686.rpm x86_64: firefox-78.3.0-1.el6_10.x86_64.rpm firefox-debuginfo-78.3.0-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Desktop Optional (v. 6): x86_64: firefox-78.3.0-1.el6_10.i686.rpm Red Hat Enterprise Linux HPC Node Optional (v. 6): Source: firefox-78.3.0-1.el6_10.src.rpm x86_64: firefox-78.3.0-1.el6_10.i686.rpm firefox-78.3.0-1.el6_10.x86_64.rpm firefox-debuginfo-78.3.0-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: firefox-78.3.0-1.el6_10.src.rpm i386: firefox-78.3.0-1.el6_10.i686.rpm ppc64: firefox-78.3.0-1.el6_10.ppc64.rpm firefox-debuginfo-78.3.0-1.el6_10.ppc64.rpm s390x: firefox-78.3.0-1.el6_10.s390x.rpm firefox-debuginfo-78.3.0-1.el6_10.s390x.rpm x86_64: firefox-78.3.0-1.el6_10.x86_64.rpm firefox-debuginfo-78.3.0-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): x86_64: firefox-78.3.0-1.el6_10.i686.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: firefox-78.3.0-1.el6_10.src.rpm i386: firefox-78.3.0-1.el6_10.i686.rpm x86_64: firefox-78.3.0-1.el6_10.x86_64.rpm firefox-debuginfo-78.3.0-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 6): x86_64: firefox-78.3.0-1.el6_10.i686.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. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBX2xxPtzjgjWX9erEAQjKpA/+JK6zf6vCauJ51jsWXaTUOkZcjp4OlYyO 1iyzwZP2YmJVtmQ96dZ5RIdKFr5i7l/FQgXIOugNJHJVLYH6Tv1Ll2mlmiiV3IFj 2OL7+89jA4d3PnsxjaVQ8XJ5kY/cLXUm5tbbg5ojC6Vs5QZQMgEBq1HCqyhzTHAe H9/ReEbNJvF0d3Y2GfHfnM7bKMulHt9AJ0rBNrAM7y1QlA+TjkbPx01MKK6+WTHK 3QXeerpyEnrMLe6Awnn8ZjGx2DFvFk+k7IDbbHNbX7RKFOI44H+O6TlEY5RKFQLV icYwfS4n0T0UGpDx7nR46KGNn0CVw9/1lMwPia5omWxExEI51bDmxGl7VHnKK2Fx oxNioBqKy2jfFCc84abxo48Ecf5rcFyEr5Fu24tTUUFBhJvCdzPUKJgFdGJItrXg e+UEFdC3tZYi89/FA051Y8V6eYkcbZDRGoj0CxX5dvalQs/vWMKZDCFVmNlnEf2O 9BrdoCsdCjNxVA6mYps6d+clGJdpfIN1X9nD5CjKJiPSaX4dlKeImpGipubFYW0p Q0p3pNrJT+k5YTKWWH0QU/VJ5DiMF6IiuORKA0656X7sj4p+rXWXJg/ERtjsMF9x U9a31x+KLm808Re5EGzTVbqlshy9B4iHP+giakmJJV2p7aSr2tSMzDHxt+q4thZG GeuJoYBF700=hBLB -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce