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CVE-2021-23965

High

Description

Mozilla developers reported memory safety bugs present in Firefox 84. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 85.

SeverityHigh
CVSS8.8
Exploit probability—
ProductMozilla Firefox
PublishedFeb 26, 2021
First seenFeb 26, 2021

How to fix

Update
  • mozilla firefox85.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 85.085.0

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