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 we incorrectly called the sizeof function, instead of using the API method that checks for invalid pointers. This vulnerability affects Firefox < 86.
Advisories
Source ID Title
EUVD EUVD EUVD-2021-10896 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 we incorrectly called the sizeof function, instead of using the API method that checks for invalid pointers. This vulnerability affects Firefox < 86.
Ubuntu USN Ubuntu USN USN-4756-1 Firefox vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-03T19:14:09.886Z

Reserved: 2021-01-13T00:00:00

Link: CVE-2021-23975

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-02-26T02:15:13.383

Modified: 2024-11-21T05:52:08.080

Link: CVE-2021-23975

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.