-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Critical: firefox security update Advisory ID: RHSA-2020:2037-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2037 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 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 Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - 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 Client (v. 7): Source: firefox-68.8.0-1.el7_8.src.rpm x86_64: firefox-68.8.0-1.el7_8.x86_64.rpm firefox-debuginfo-68.8.0-1.el7_8.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: firefox-68.8.0-1.el7_8.i686.rpm firefox-debuginfo-68.8.0-1.el7_8.i686.rpm Red Hat Enterprise Linux Server (v. 7): Source: firefox-68.8.0-1.el7_8.src.rpm ppc64: firefox-68.8.0-1.el7_8.ppc64.rpm firefox-debuginfo-68.8.0-1.el7_8.ppc64.rpm ppc64le: firefox-68.8.0-1.el7_8.ppc64le.rpm firefox-debuginfo-68.8.0-1.el7_8.ppc64le.rpm s390x: firefox-68.8.0-1.el7_8.s390x.rpm firefox-debuginfo-68.8.0-1.el7_8.s390x.rpm x86_64: firefox-68.8.0-1.el7_8.x86_64.rpm firefox-debuginfo-68.8.0-1.el7_8.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): x86_64: firefox-68.8.0-1.el7_8.i686.rpm firefox-debuginfo-68.8.0-1.el7_8.i686.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: firefox-68.8.0-1.el7_8.src.rpm x86_64: firefox-68.8.0-1.el7_8.x86_64.rpm firefox-debuginfo-68.8.0-1.el7_8.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: firefox-68.8.0-1.el7_8.i686.rpm firefox-debuginfo-68.8.0-1.el7_8.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 iQIVAwUBXrKUt9zjgjWX9erEAQiRdw/+OF/n1a6dSEQegXBgc5Ns2yHWYT/t28Vf aF1or5+ljVM17BGJg4M6P8jYj29Sli2ZAFybabeVnF62NzZDNzLYlUr8pkZuJSdb A7FqmmfqEaTEI+VVKnPqnazOL/pf4woFogt1HSkj+9BNkLcrMgDyDIfz+RmhzN00 G5oeVK1JDZq5DAt9Th9+Sk/4T9MKtsCPQyti2DPpCzByuT0U1FzVKPgotfBrSVUC ajRjtfbw0dwI8OijpPyQYbaqStTtqbm+iQWayfwh8hYV7jyJXqW/MKuLfUSGZnXb YUWHB79yQZ+ZeLgoL38yA6aDeScBCgbWfOte3o8IQ+EXfiIKo/oy+ZlmYlIoBDYZ Ct29mhZXvyW8l4/OuAso/8vbRZdOA86ib0FlXE8ywk0ZRdg7LhGBk3hqZpV9/1Hl ql6PEkf/7k0JAIMUNua4TWdTdlYNpzuLgbF08a7IyOy+pFDOaRz4kgek04lLtbPx znGLrR5ZT+8sCBuq39rCiLbc2OKhit4K4h8MJoljUnPM8wy4PpaAqUnJG+HO3MIx cz8myQp/3gwVyymRkfzb99So6yK5MGUF/ITR84xlQRmNyCXiCqOc8Pn2SEB7pq65 3Adx+voN+eg0yf9i4il8+ooUbTbK+WKC+dZg+JrFMKFiQVxzq8nz+pW42UY844C4 GatPWTXCYT8= =u6Rh -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce