VULNERABILITY

CentOS Linux: CVE-2021-38506: Important: firefox security update (Multiple Advisories)

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CentOS Linux: CVE-2021-38506: Important: firefox security update (Multiple Advisories)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
11/03/2021
Created
11/10/2021
Added
11/09/2021
Modified
05/25/2023

Description

Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Solution(s)

  • centos-upgrade-firefox
  • centos-upgrade-firefox-debuginfo
  • centos-upgrade-firefox-debugsource
  • centos-upgrade-thunderbird
  • centos-upgrade-thunderbird-debuginfo
  • centos-upgrade-thunderbird-debugsource

References

  • DSA-5026
  • DSA-5034
  • CVE-2021-38506

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