-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Critical: firefox security update Advisory ID: RHSA-2020:1341-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:1341 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 8. 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 AppStream (v. 8) - aarch64, ppc64le, s390x, 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 AppStream (v. 8): Source: firefox-68.6.1-1.el8_1.src.rpm aarch64: firefox-68.6.1-1.el8_1.aarch64.rpm firefox-debuginfo-68.6.1-1.el8_1.aarch64.rpm firefox-debugsource-68.6.1-1.el8_1.aarch64.rpm ppc64le: firefox-68.6.1-1.el8_1.ppc64le.rpm firefox-debuginfo-68.6.1-1.el8_1.ppc64le.rpm firefox-debugsource-68.6.1-1.el8_1.ppc64le.rpm s390x: firefox-68.6.1-1.el8_1.s390x.rpm firefox-debuginfo-68.6.1-1.el8_1.s390x.rpm firefox-debugsource-68.6.1-1.el8_1.s390x.rpm x86_64: firefox-68.6.1-1.el8_1.x86_64.rpm firefox-debuginfo-68.6.1-1.el8_1.x86_64.rpm firefox-debugsource-68.6.1-1.el8_1.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-2020-6819 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 iQIVAwUBXow9ldzjgjWX9erEAQgscQ//ffhWl/0th8ZlyseI+zdcDNRRqTEWfOoj 3wq1xyIV2nSMeQVYRbuLiuruyMpy7rhVCbRODGk7tGVszbJj4Jzs42VMwOuqAake PFS1grQP3vASptKncQD4JUrDVYdEWc+UIvK9OyF5poKi/5K12BTzLA/41v0NO9F9 sR0w3Nn3gLFL6EWnYNCdqCrXw5X9YcSUTLdB1fyztwXK8MTxKEWoZzikAoU1tqT7 cNAJkvLsXURS71LY3KA6WT7HIMOaHHfVt3EmOT8VQGrI4BFHfeAarz/Ky1OOx+0N yrGI7+uhg9FQpqrzGrP6iZFhc+eSkmP0GoAJ12oOaCbv32rT7k09o3ly7U6oTBee BPf/m3WYewlcf3+ZhwiGzd6140CESgsiW3q9ZTRzTtQf9HJcR1jWtRAfImswPHS0 wAarRVe49bpkO0BPQkVvvNRZNdBA8Xv8gFXA9otFBOQWfeWKP/gqXxfonBybXwkF LHg/IaFi4UpgzR2TNUJnE7mW1oM2vLVDlMhz40FFWYZby8SUj1OKg0tyr8FJWECv LBm6cvh1jRoz9kQ8u8udNfvGzlwjpWTIGnCZQ6ZsR7Vl4BbHiO1TfTvV0p1+nDn/ huCQmwHq4/IbPehykJMja7p05sGpNtNiahI7H4RyEUpWFn8bLIt0DAdx+7oWRHNI mQO9JjHGnec=4mDd -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce