Rapid7 Vulnerability & Exploit Database

Alma Linux: CVE-2021-43542: Important: firefox security update (Multiple Advisories)

Free InsightVM Trial No Credit Card Necessary
2024 Attack Intel Report Latest research by Rapid7 Labs
Back to Search

Alma Linux: CVE-2021-43542: Important: firefox security update (Multiple Advisories)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
12/08/2021
Created
05/05/2022
Added
05/04/2022
Modified
11/14/2022

Description

Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

Solution(s)

  • alma-upgrade-firefox
  • alma-upgrade-thunderbird

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;