Rapid7 Vulnerability & Exploit Database

MFSA2021-16 Firefox: Security Vulnerabilities fixed in Firefox 88 (CVE-2021-23997)

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

MFSA2021-16 Firefox: Security Vulnerabilities fixed in Firefox 88 (CVE-2021-23997)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
04/19/2021
Created
04/20/2021
Added
04/20/2021
Modified
07/05/2021

Description

Due to unexpected data type conversions, a use-after-free could have occurred when interacting with the font cache. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 88.

Solution(s)

  • mozilla-firefox-upgrade-88_0

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

;