Rapid7 Vulnerability & Exploit Database

Alpine Linux: CVE-2021-23995: Operation on a Resource after Expiration or Release

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

Alpine Linux: CVE-2021-23995: Operation on a Resource after Expiration or Release

Severity
5
CVSS
(AV:N/AC:H/Au:N/C:P/I:P/A:P)
Published
06/24/2021
Created
08/23/2024
Added
08/22/2024
Modified
08/23/2024

Description

When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Solution(s)

  • alpine-linux-upgrade-firefox-esr
  • alpine-linux-upgrade-firefox
  • alpine-linux-upgrade-thunderbird

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

;