-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Critical: firefox security update Advisory ID: RHSA-2020:2036-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2036 Issue date: 2020-05-06 CVE Names: CVE-2020-6831 CVE-2020-12387 CVE-2020-12392 CVE-2020-12395 ===================================================================== 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 68.8.0 ESR. Security Fix(es): * Mozilla: Use-after-free during worker shutdown (CVE-2020-12387) * Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8 (CVE-2020-12395) * Mozilla: Buffer overflow in SCTP chunk input validation (CVE-2020-6831) * Mozilla: Arbitrary local file access with 'Copy as cURL' (CVE-2020-12392) 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/): 1831761 - CVE-2020-12387 Mozilla: Use-after-free during worker shutdown 1831763 - CVE-2020-6831 Mozilla: Buffer overflow in SCTP chunk input validation 1831764 - CVE-2020-12392 Mozilla: Arbitrary local file access with 'Copy as cURL' 1831765 - CVE-2020-12395 Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8 6. Package List: Red Hat Enterprise Linux Desktop (v. 6): Source: firefox-68.8.0-1.el6_10.src.rpm i386: firefox-68.8.0-1.el6_10.i686.rpm firefox-debuginfo-68.8.0-1.el6_10.i686.rpm x86_64: firefox-68.8.0-1.el6_10.x86_64.rpm firefox-debuginfo-68.8.0-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Desktop Optional (v. 6): x86_64: firefox-68.8.0-1.el6_10.i686.rpm firefox-debuginfo-68.8.0-1.el6_10.i686.rpm Red Hat Enterprise Linux HPC Node Optional (v. 6): Source: firefox-68.8.0-1.el6_10.src.rpm x86_64: firefox-68.8.0-1.el6_10.i686.rpm firefox-68.8.0-1.el6_10.x86_64.rpm firefox-debuginfo-68.8.0-1.el6_10.i686.rpm firefox-debuginfo-68.8.0-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: firefox-68.8.0-1.el6_10.src.rpm i386: firefox-68.8.0-1.el6_10.i686.rpm firefox-debuginfo-68.8.0-1.el6_10.i686.rpm ppc64: firefox-68.8.0-1.el6_10.ppc64.rpm firefox-debuginfo-68.8.0-1.el6_10.ppc64.rpm s390x: firefox-68.8.0-1.el6_10.s390x.rpm firefox-debuginfo-68.8.0-1.el6_10.s390x.rpm x86_64: firefox-68.8.0-1.el6_10.x86_64.rpm firefox-debuginfo-68.8.0-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): x86_64: firefox-68.8.0-1.el6_10.i686.rpm firefox-debuginfo-68.8.0-1.el6_10.i686.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: firefox-68.8.0-1.el6_10.src.rpm i386: firefox-68.8.0-1.el6_10.i686.rpm firefox-debuginfo-68.8.0-1.el6_10.i686.rpm x86_64: firefox-68.8.0-1.el6_10.x86_64.rpm firefox-debuginfo-68.8.0-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 6): x86_64: firefox-68.8.0-1.el6_10.i686.rpm firefox-debuginfo-68.8.0-1.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-2020-6831 https://access.redhat.com/security/cve/CVE-2020-12387 https://access.redhat.com/security/cve/CVE-2020-12392 https://access.redhat.com/security/cve/CVE-2020-12395 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 iQIVAwUBXrKVatzjgjWX9erEAQh+Xw//dZUaxqqbDkNE7POX10N8J0CMlgMY70dH gM7Cqwo9y7s9V3bu4pevz7h+4SaQbCn1o2Q4BXlM+bK04V9GSnEEimmy5/NywxBt 3fNgNT7/WnLwLSohO5JcVAZ3uPzucHSGrUa8ZxNGJbmlTwl2W8qiSiWkVMqAHN6I +1eX9IohbfHbBYPQPvxnlGmSK0UKA9N3nTiRB8fvg0p/0xJRnWaJXyRuMu5OilTv bNgRUtWaoWR6ua0/ZnuBx++ZCz4nKjlLKkqspTilKlPVXDoiso58K+dCLSuJw4AL 8Q76TkL+vHeIyyRIdwO5Ot5S/Tdv2xFDlje5b7W8KFHRVqXPQEk4JgBawm7GfIva jqnvJQQnfGtMIKOzMLVSgUi8V4PNIY6N5en9gewUxxhSgJdg8SjrOHnZWJpS9ZjV molYtuHuIm5VH1YEL1Ceo2U6nYTECuzfrib7hgaeBYuKcT5o7PgXI5a0D0rGKweZ iI4DnpMdgYK4vOIkwkwdMBfTMhqNqehdj+79Ga/dHVFXthHzz4sqCyHcUb4VvH63 IoYU5n6p+dNpDXsDKP1SdgyX0h+bqOOieZ6Z3St4MKUHDKXdfyhJjdOen+Sg9l2l 6lPTdjTjXk2IFTJFXaZbHyMEt3tEsbIGQ37/rBX9Pw+2+MA3plUAZMhst2LRhFsa cTKjoD+h/+U= =TTbo -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce