-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Critical: firefox security update Advisory ID: RHSA-2020:1339-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:1339 Issue date: 2020-04-07 CVE Names: CVE-2020-6819 CVE-2020-6820 ==================================================================== 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 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 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 68.6.1 ESR. Security Fix(es): * Mozilla: Use-after-free while running the nsDocShell destructor (CVE-2020-6819) * Mozilla: Use-after-free when handling a ReadableStream (CVE-2020-6820) 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/): 1820869 - CVE-2020-6819 Mozilla: Use-after-free while running the nsDocShell destructor 1820878 - CVE-2020-6820 Mozilla: Use-after-free when handling a ReadableStream 6. Package List: Red Hat Enterprise Linux Desktop (v. 6): Source: firefox-68.6.1-1.el6_10.src.rpm i386: firefox-68.6.1-1.el6_10.i686.rpm firefox-debuginfo-68.6.1-1.el6_10.i686.rpm x86_64: firefox-68.6.1-1.el6_10.x86_64.rpm firefox-debuginfo-68.6.1-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Desktop Optional (v. 6): x86_64: firefox-68.6.1-1.el6_10.i686.rpm firefox-debuginfo-68.6.1-1.el6_10.i686.rpm Red Hat Enterprise Linux HPC Node Optional (v. 6): Source: firefox-68.6.1-1.el6_10.src.rpm x86_64: firefox-68.6.1-1.el6_10.i686.rpm firefox-68.6.1-1.el6_10.x86_64.rpm firefox-debuginfo-68.6.1-1.el6_10.i686.rpm firefox-debuginfo-68.6.1-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: firefox-68.6.1-1.el6_10.src.rpm i386: firefox-68.6.1-1.el6_10.i686.rpm firefox-debuginfo-68.6.1-1.el6_10.i686.rpm ppc64: firefox-68.6.1-1.el6_10.ppc64.rpm firefox-debuginfo-68.6.1-1.el6_10.ppc64.rpm s390x: firefox-68.6.1-1.el6_10.s390x.rpm firefox-debuginfo-68.6.1-1.el6_10.s390x.rpm x86_64: firefox-68.6.1-1.el6_10.x86_64.rpm firefox-debuginfo-68.6.1-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): x86_64: firefox-68.6.1-1.el6_10.i686.rpm firefox-debuginfo-68.6.1-1.el6_10.i686.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: firefox-68.6.1-1.el6_10.src.rpm i386: firefox-68.6.1-1.el6_10.i686.rpm firefox-debuginfo-68.6.1-1.el6_10.i686.rpm x86_64: firefox-68.6.1-1.el6_10.x86_64.rpm firefox-debuginfo-68.6.1-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 6): x86_64: firefox-68.6.1-1.el6_10.i686.rpm firefox-debuginfo-68.6.1-1.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-2020-6819 https://access.redhat.com/security/cve/CVE-2020-6820 https://access.redhat.com/security/updates/classification/#critical 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 iQIVAwUBXow90NzjgjWX9erEAQg1fhAAp+8i8Lfh5a1rzhYyoa5R4bMn/jf3+CcS NqPVMtVZuD+Y1PMzSdQ0NMhkef3kipCS2PYIs2Ef+swY3eUNmwdHglxkuWkSOLky l5Wc+lm3k/VRLRA3/W2qd977WmqSnyKD1O5huA0TDUFLf5WiQMfxvmymfKApDhcL Q1osCMWzo1dwxt3ybOZ/e1F7V6k9V6M849nCSMGieNXHC6Se23FXrFWFrnEDrlnZ 3HArMxfxB/OyTNfLsBjnbYmvqfpra1Th4ZQfglkgz6dqNK6vnaslopD+3uaGpE2s ta0VWl6Uqclcrs0r2PQyWwZ5EBxBZ6z4eX03hyuMATHI1FDOSoMXcRGduHU+WK0f 4Z81Wkr5hSd1huBOd+7iCGQyctM3IsDSMZ3vIEKT+p1evEGPuRG+06JmQwNDsAgr dtgKl6w658AB0qS6RwJMWf4RIiI/Kl3UVtTPudg3G7F3Q786a9Y9fz56LJHngK4A JrNTQ/QxlmceC7feej6e1i8vL5JMMJfHjXxXc06FiXDnzXztBBTW27e6cj+d7/aR uTOxR06ORxZTbzSHB8f2DqnTQofi1CGvRzWx8V/nvcvSp28xGWH9qQY6xF8Gtm6E 339ojPFHqFPpQj4wHlPk+6zEAjA5Hs3P9bfFx/wH2pCUaqRjdn9lizYNDceKm2EP O7BEi1oGCDc=fGtt -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce