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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2021-06-24T13:25:34

Updated: 2024-08-03T19:14:10.062Z

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

Link: CVE-2021-23997

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-06-24T14:15:09.417

Modified: 2021-07-02T17:21:33.130

Link: CVE-2021-23997

cve-icon Redhat

No data.