-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Critical: firefox security update Advisory ID: RHSA-2020:5104-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:5104 Issue date: 2020-11-12 CVE Names: CVE-2020-26950 ==================================================================== 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 HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, 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 78.4.1 ESR. Security Fix(es): * Mozilla: Write side effects in MCallGetProperty opcode not accounted for (CVE-2020-26950) 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/): 1896306 - CVE-2020-26950 Mozilla: Write side effects in MCallGetProperty opcode not accounted for 6. Package List: Red Hat Enterprise Linux Desktop (v. 6): Source: firefox-78.4.1-1.el6_10.src.rpm i386: firefox-78.4.1-1.el6_10.i686.rpm x86_64: firefox-78.4.1-1.el6_10.x86_64.rpm firefox-debuginfo-78.4.1-1.el6_10.x86_64.rpm Red Hat Enterprise Linux HPC Node Optional (v. 6): Source: firefox-78.4.1-1.el6_10.src.rpm x86_64: firefox-78.4.1-1.el6_10.x86_64.rpm firefox-debuginfo-78.4.1-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: firefox-78.4.1-1.el6_10.src.rpm i386: firefox-78.4.1-1.el6_10.i686.rpm ppc64: firefox-78.4.1-1.el6_10.ppc64.rpm firefox-debuginfo-78.4.1-1.el6_10.ppc64.rpm s390x: firefox-78.4.1-1.el6_10.s390x.rpm firefox-debuginfo-78.4.1-1.el6_10.s390x.rpm x86_64: firefox-78.4.1-1.el6_10.x86_64.rpm firefox-debuginfo-78.4.1-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: firefox-78.4.1-1.el6_10.src.rpm i386: firefox-78.4.1-1.el6_10.i686.rpm x86_64: firefox-78.4.1-1.el6_10.x86_64.rpm firefox-debuginfo-78.4.1-1.el6_10.x86_64.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-2020-26950 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 iQIVAwUBX61Pp9zjgjWX9erEAQjF8hAAmXxWYcpKKaIauYZXrTfw9SthKMhK/6pv 9T/vlGGBsVEqgFuECQSp2RvsecBwKh01OyMH6Pw8p8qk9uAGcQAThH0nBcEb3vWb w4QFsQ0H/auVJfoQss5ZoAYA+bEELjd06Be9pxrUHB5NtLbXvEvpv89O4yuxEh1Q 3KKg8wTFquD6DrgFstB8HoyylVHn2ruybvK/FEGBWiG/60dSeQ/2SnvYIzKBXsaH lliBdCmebBnWd1PDxEaXxG33LGYNiFWcx6BgRWWA/rzp5p+K58AeLaneq8PNBfzb UtXUcg9muag1OuiccJzOYhH6PPn3WxPV8dEj7asCnzTHsrRz4A8USNkJdlRFkmv9 OywwAg7owT58Qi2gyUBDrf9OK8OePFk8R5vQtAycDAglMJJKxgV0s6tAlkC5gc3P xXE3pJUCEG0HUcCvANkWiGuiS8vb3sgmSPF7NTkMuPZa33sDgmP6axT4ScZi+uM9 E2+o0sbnoOKwR7qzxV3QK6cMu24ojyoa/ZyupwBdAbBK57LbOqOFp8I6ObHPgiiX dyfedYPX8I/DZ+JlCSekiQkwgOxfURh8zn4BECGEBMe6sng9R7xCTpfpuwyYZSfz qq2x//Oomn0xKjr8GYdey3ZKCsprOKF89VPmyxlf0PhCS4X3OkyndGWexonUfbRB R2wILLUFfz8=jLaM -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce