NA

CVE-2021-23975

Published: 26/02/2021 Updated: 26/02/2021

Vulnerability Summary

Mozilla Firefox could allow a remote malicious user to bypass security restrictions, caused by the failure to correctly call the sizeof function, instead of using the API method that checks for invalid pointers. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to bypass security restrictions.

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Vulnerability Trend

Vendor Advisories

A security issue was found in Firefox before version 860 The developer page about:memory has a Measure function for exploring what object types the browser has allocated and their sizes When this function was invoked Firefox incorrectly called the sizeof function, instead of using the API method that checks for invalid pointers ...

Recent Articles

Firefox 86 gets a privacy boost with Total Cookie Protection
BleepingComputer • Sergiu Gatlan • 01 Jan 1970

Mozilla Firefox 86 was released today with Total Cookie Protection, a new privacy feature that prevents web trackers from keeping tabs on your activity while browsing the web.
Windows, Mac, and Linux desktop users can upgrade to Firefox 86 from 
-> 
-> 
. Firefox will automatically check for the new update and will install it if available.
With the release of Firefox 86, all other Firefox development branches have also moved up a version bringing Firefox...