Mozilla Firefox: Multiple vulnerabilities

Mozilla Firefox: Multiple vulnerabilities Multiple vulnerabilities have been found in Mozilla Firefox, the worst of which could result in the arbitrary execution of code. firefox 2021-02-01 2021-02-01 767334 remote 78.7.0 85.0 85.0 78.7.0 85.0 85.0

Mozilla Firefox is a popular open-source web browser from the Mozilla project.

Multiple vulnerabilities have been discovered in Mozilla Firefox. Please review the CVE identifiers referenced below for details.

Please review the referenced CVE identifiers for details.

There is no known workaround at this time.

All Mozilla Firefox ESR users should upgrade to the latest version:


      # emerge --sync
      # emerge --ask --oneshot --verbose ">=www-client/firefox-78.7.0"

All Mozilla Firefox ESR binary users should upgrade to the latest version:


      # emerge --sync
      # emerge --ask --oneshot --verbose ">=www-client/firefox-bin-78.7.0"

All Mozilla Firefox users should upgrade to the latest version:


      # emerge --sync
      # emerge --ask --oneshot --verbose ">=www-client/firefox-85.0"

All Mozilla Firefox binary users should upgrade to the latest version:


      # emerge --sync
      # emerge --ask --oneshot --verbose ">=www-client/firefox-bin-85.0"

CVE-2021-23953 CVE-2021-23954 CVE-2021-23955 CVE-2021-23956 CVE-2021-23958 CVE-2021-23960 CVE-2021-23961 CVE-2021-23962 CVE-2021-23963 CVE-2021-23964 CVE-2021-23965 CVE-2021-26976 Upstream advisory (MFSA-2021-03) Upstream advisory (MFSA-2021-04) sam_c sam_c