Oval Definition:oval:com.redhat.rhsa:def:20210288
Revision Date:2021-01-27Version:636
Title:RHSA-2021:0288: firefox security update (Important)
Description:Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 78.7.0 ESR.

Security Fix(es):

  • Mozilla: Cross-origin information leakage via redirected PDF requests (CVE-2021-23953)

  • Mozilla: Type confusion when using logical assignment operators in JavaScript switch statements (CVE-2021-23954)

  • Mozilla: Memory safety bugs fixed in Firefox 85 and Firefox ESR 78.7 (CVE-2021-23964)

  • Mozilla: HTTPS pages could have been intercepted by a registered service worker when they should not have been (CVE-2020-26976)

  • Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC (CVE-2021-23960)

    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.
  • Family:unixClass:patch
    Status:Reference(s):CVE-2020-26976
    CVE-2021-23953
    CVE-2021-23954
    CVE-2021-23960
    CVE-2021-23964
    RHSA-2021:0288
    Platform(s):Red Hat Enterprise Linux 8
    Product(s):
    Definition Synopsis
  • Red Hat Enterprise Linux must be installed
  • OR Package Information
  • firefox is earlier than 0:78.7.0-2.el8_3
  • AND firefox is signed with Red Hat redhatrelease2 key
  • AND
  • Red Hat Enterprise Linux 8 is installed
  • OR Red Hat CoreOS 4 is installed
  • BACK