Rapid7 Vulnerability & Exploit Database

Ubuntu: USN-4942-1 (CVE-2021-29952): Firefox vulnerability

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Ubuntu: USN-4942-1 (CVE-2021-29952): Firefox vulnerability

Severity
5
CVSS
(AV:N/AC:H/Au:N/C:P/I:P/A:P)
Published
05/10/2021
Created
05/13/2021
Added
05/11/2021
Modified
03/22/2023

Description

When Web Render components were destructed, a race condition could have caused undefined behavior, and we presume that with enough effort may have been exploitable to run arbitrary code. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.

Solution(s)

  • ubuntu-upgrade-firefox

References

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

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

;