-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Critical: firefox security update Advisory ID: RHSA-2017:3247-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2017:3247 Issue date: 2017-11-17 CVE Names: CVE-2017-7826 CVE-2017-7828 CVE-2017-7830 ===================================================================== 1. Summary: An update for firefox is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7. 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 Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 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 (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le 3. Description: Mozilla Firefox is an open source web browser. This update upgrades Firefox to version 52.5.0 ESR. Security Fix(es): * Multiple flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. (CVE-2017-7826, CVE-2017-7828, CVE-2017-7830) Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Christian Holler, David Keeler, Jon Coppeard, Julien Cristau, Jan de Mooij, Jason Kratzer, Philipp, Nicholas Nethercote, Oriol Brufau, AndrA(c) Bargull, Bob Clary, Jet Villegas, Randell Jesup, Tyson Smith, Gary Kwong, Ryan VanderMeulen, Nils, and Jun Kokatsu as the original reporters. 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/): 1513308 - CVE-2017-7826 Mozilla: Memory safety bugs fixed in Firefox 57 and Firefox ESR 52.5 (MFSA 2017-25) 1513310 - CVE-2017-7828 Mozilla: Use-after-free of PressShell while restyling layout (MFSA 2017-25) 1513311 - CVE-2017-7830 Mozilla: Cross-origin URL information leak through Resource Timing API (MFSA 2017-25) 6. Package List: Red Hat Enterprise Linux Desktop (v. 6): Source: firefox-52.5.0-1.el6_9.src.rpm i386: firefox-52.5.0-1.el6_9.i686.rpm firefox-debuginfo-52.5.0-1.el6_9.i686.rpm x86_64: firefox-52.5.0-1.el6_9.x86_64.rpm firefox-debuginfo-52.5.0-1.el6_9.x86_64.rpm Red Hat Enterprise Linux Desktop Optional (v. 6): x86_64: firefox-52.5.0-1.el6_9.i686.rpm firefox-debuginfo-52.5.0-1.el6_9.i686.rpm Red Hat Enterprise Linux HPC Node Optional (v. 6): Source: firefox-52.5.0-1.el6_9.src.rpm x86_64: firefox-52.5.0-1.el6_9.i686.rpm firefox-52.5.0-1.el6_9.x86_64.rpm firefox-debuginfo-52.5.0-1.el6_9.i686.rpm firefox-debuginfo-52.5.0-1.el6_9.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: firefox-52.5.0-1.el6_9.src.rpm i386: firefox-52.5.0-1.el6_9.i686.rpm firefox-debuginfo-52.5.0-1.el6_9.i686.rpm ppc64: firefox-52.5.0-1.el6_9.ppc64.rpm firefox-debuginfo-52.5.0-1.el6_9.ppc64.rpm s390x: firefox-52.5.0-1.el6_9.s390x.rpm firefox-debuginfo-52.5.0-1.el6_9.s390x.rpm x86_64: firefox-52.5.0-1.el6_9.x86_64.rpm firefox-debuginfo-52.5.0-1.el6_9.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): ppc64: firefox-52.5.0-1.el6_9.ppc.rpm firefox-debuginfo-52.5.0-1.el6_9.ppc.rpm s390x: firefox-52.5.0-1.el6_9.s390.rpm firefox-debuginfo-52.5.0-1.el6_9.s390.rpm x86_64: firefox-52.5.0-1.el6_9.i686.rpm firefox-debuginfo-52.5.0-1.el6_9.i686.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: firefox-52.5.0-1.el6_9.src.rpm i386: firefox-52.5.0-1.el6_9.i686.rpm firefox-debuginfo-52.5.0-1.el6_9.i686.rpm x86_64: firefox-52.5.0-1.el6_9.x86_64.rpm firefox-debuginfo-52.5.0-1.el6_9.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 6): x86_64: firefox-52.5.0-1.el6_9.i686.rpm firefox-debuginfo-52.5.0-1.el6_9.i686.rpm Red Hat Enterprise Linux Client (v. 7): Source: firefox-52.5.0-1.el7_4.src.rpm x86_64: firefox-52.5.0-1.el7_4.x86_64.rpm firefox-debuginfo-52.5.0-1.el7_4.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: firefox-52.5.0-1.el7_4.i686.rpm firefox-debuginfo-52.5.0-1.el7_4.i686.rpm Red Hat Enterprise Linux Server (v. 7): Source: firefox-52.5.0-1.el7_4.src.rpm ppc64: firefox-52.5.0-1.el7_4.ppc64.rpm firefox-debuginfo-52.5.0-1.el7_4.ppc64.rpm ppc64le: firefox-52.5.0-1.el7_4.ppc64le.rpm firefox-debuginfo-52.5.0-1.el7_4.ppc64le.rpm s390x: firefox-52.5.0-1.el7_4.s390x.rpm firefox-debuginfo-52.5.0-1.el7_4.s390x.rpm x86_64: firefox-52.5.0-1.el7_4.x86_64.rpm firefox-debuginfo-52.5.0-1.el7_4.x86_64.rpm Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7): Source: firefox-52.5.0-1.el7_4.src.rpm aarch64: firefox-52.5.0-1.el7_4.aarch64.rpm firefox-debuginfo-52.5.0-1.el7_4.aarch64.rpm ppc64le: firefox-52.5.0-1.el7_4.ppc64le.rpm firefox-debuginfo-52.5.0-1.el7_4.ppc64le.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: firefox-52.5.0-1.el7_4.ppc.rpm firefox-debuginfo-52.5.0-1.el7_4.ppc.rpm s390x: firefox-52.5.0-1.el7_4.s390.rpm firefox-debuginfo-52.5.0-1.el7_4.s390.rpm x86_64: firefox-52.5.0-1.el7_4.i686.rpm firefox-debuginfo-52.5.0-1.el7_4.i686.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: firefox-52.5.0-1.el7_4.src.rpm x86_64: firefox-52.5.0-1.el7_4.x86_64.rpm firefox-debuginfo-52.5.0-1.el7_4.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: firefox-52.5.0-1.el7_4.i686.rpm firefox-debuginfo-52.5.0-1.el7_4.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-2017-7826 https://access.redhat.com/security/cve/CVE-2017-7828 https://access.redhat.com/security/cve/CVE-2017-7830 https://access.redhat.com/security/updates/classification/#critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-25/ 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2017 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFaDwvKXlSAg2UNWIIRAphBAKC5aQqUjQTybj+5FUUUFXhohWv9+wCgo5RA jjHCrUPJxR/WAsSm6BNNmEo= =jwzk -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce