-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: firefox security and bug fix update Advisory ID: RHSA-2020:4080-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:4080 Issue date: 2020-09-29 CVE Names: CVE-2020-12422 CVE-2020-12424 CVE-2020-12425 CVE-2020-15648 CVE-2020-15653 CVE-2020-15654 CVE-2020-15656 CVE-2020-15658 CVE-2020-15673 CVE-2020-15676 CVE-2020-15677 CVE-2020-15678 ==================================================================== 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 Important. 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 78.3.0 ESR. Security Fix(es): * Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3 (CVE-2020-15673) * Mozilla: Integer overflow in nsJPEGEncoder::emptyOutputBuffer (CVE-2020-12422) * Mozilla: X-Frame-Options bypass using object or embed tags (CVE-2020-15648) * Mozilla: Bypassing iframe sandbox when allowing popups (CVE-2020-15653) * Mozilla: Type confusion for special arguments in IonMonkey (CVE-2020-15656) * Mozilla: XSS when pasting attacker-controlled data into a contenteditable element (CVE-2020-15676) * Mozilla: Download origin spoofing via redirect (CVE-2020-15677) * Mozilla: When recursing through layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free scenario (CVE-2020-15678) * Mozilla: WebRTC permission prompt could have been bypassed by a compromised content process (CVE-2020-12424) * Mozilla: Out of bound read in Date.parse() (CVE-2020-12425) * Mozilla: Custom cursor can overlay user interface (CVE-2020-15654) * Mozilla: Overriding file type when saving to disk (CVE-2020-15658) 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. Bug Fix(es): * Warnings displayed when removing Firefox package (BZ#1868842) 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/): 1861645 - CVE-2020-15653 Mozilla: Bypassing iframe sandbox when allowing popups 1861646 - CVE-2020-15656 Mozilla: Type confusion for special arguments in IonMonkey 1861647 - CVE-2020-15658 Mozilla: Overriding file type when saving to disk 1861649 - CVE-2020-15654 Mozilla: Custom cursor can overlay user interface 1868842 - Warnings displayed when removing Firefox package [rhel-7.9.z] 1872537 - CVE-2020-15648 Mozilla: X-Frame-Options bypass using object or embed tags 1872538 - CVE-2020-12422 Mozilla: Integer overflow in nsJPEGEncoder::emptyOutputBuffer 1872539 - CVE-2020-12424 Mozilla: WebRTC permission prompt could have been bypassed by a compromised content process 1872540 - CVE-2020-12425 Mozilla: Out of bound read in Date.parse() 1881664 - CVE-2020-15677 Mozilla: Download origin spoofing via redirect 1881665 - CVE-2020-15676 Mozilla: XSS when pasting attacker-controlled data into a contenteditable element 1881666 - CVE-2020-15678 Mozilla: When recursing through layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free scenario 1881667 - CVE-2020-15673 Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: firefox-78.3.0-1.el7_9.src.rpm x86_64: firefox-78.3.0-1.el7_9.x86_64.rpm firefox-debuginfo-78.3.0-1.el7_9.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: firefox-78.3.0-1.el7_9.i686.rpm Red Hat Enterprise Linux Server (v. 7): Source: firefox-78.3.0-1.el7_9.src.rpm ppc64: firefox-78.3.0-1.el7_9.ppc64.rpm firefox-debuginfo-78.3.0-1.el7_9.ppc64.rpm ppc64le: firefox-78.3.0-1.el7_9.ppc64le.rpm firefox-debuginfo-78.3.0-1.el7_9.ppc64le.rpm s390x: firefox-78.3.0-1.el7_9.s390x.rpm firefox-debuginfo-78.3.0-1.el7_9.s390x.rpm x86_64: firefox-78.3.0-1.el7_9.x86_64.rpm firefox-debuginfo-78.3.0-1.el7_9.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): x86_64: firefox-78.3.0-1.el7_9.i686.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: firefox-78.3.0-1.el7_9.src.rpm x86_64: firefox-78.3.0-1.el7_9.x86_64.rpm firefox-debuginfo-78.3.0-1.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: firefox-78.3.0-1.el7_9.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-2020-12422 https://access.redhat.com/security/cve/CVE-2020-12424 https://access.redhat.com/security/cve/CVE-2020-12425 https://access.redhat.com/security/cve/CVE-2020-15648 https://access.redhat.com/security/cve/CVE-2020-15653 https://access.redhat.com/security/cve/CVE-2020-15654 https://access.redhat.com/security/cve/CVE-2020-15656 https://access.redhat.com/security/cve/CVE-2020-15658 https://access.redhat.com/security/cve/CVE-2020-15673 https://access.redhat.com/security/cve/CVE-2020-15676 https://access.redhat.com/security/cve/CVE-2020-15677 https://access.redhat.com/security/cve/CVE-2020-15678 https://access.redhat.com/security/updates/classification/#important 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 iQIVAwUBX3QnYtzjgjWX9erEAQjkBw/9GT8mAkGSKa5f6QqAs+dcALFvQCyHd4rB Qayf9Y1mxkHdNRgIctlQdFxSajnXOJXfS1jm1z/wIT72ZANPML/guFo70hLqBVhn NUjiTmNEO0NTanOWC1U63miNxgDYPF6h+9xLGbdwVtl1iq6kVp9pXJgAqGf0iSl6 mEva6eAOwaL55tCp1Th8cJ2UQuAszfTJEwjrTWaHdrknKHskS6s8DvQhD9KJeWU1 B7f3pSU4Q7zbIRwDPbTviB/BGHD1wpeM13il1kHfaG9zvBKZILxMBZwxabPxvUXH BghphM2miSh+Ki/SrglqYe7H0V7/YoU4MrjzD8wobzX68eNt76f49o5RM2lZS1ty 9pgU4u3I33FWYqSakTEqce6DvBgWiyxl0FyuCPBw7cdke3Q8+U0SDPRblDWd+U0K QbfFjCPdBfujmvr84mQImhZm+zp2eRS38u82QrhSG0TEUFXzga/fKUgV5BYVGUUr 8nKuj11siqG24SewqJsSojrd0rzG5s8hnNVkRODvnn51f1ea+kPGPirr+BFEnVXQ 1O8zZas7VRq5RC9BsaHmrS35IyiXTz0HTirzRZAzCituuJVTp7Og3U8wQPhkxtT4 EPTBX9Nc9cmCoCYv4I7vgqnx4G+6FhGE0QDtSoKlsHX6nSy3ruBDWN0tfEeLC6S4 djzRGEnb6x08x -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce