How severe is CVE-2021-23997?

CVE-2021-23997 has a CVSS v3 score of 8.8 (HIGH).

CVE-2021-23997

Name: firefox
Author: mozilla

8.8HIGH

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 c

Publicado: 6/24/2021Actualizado: 11/21/2024

Descripción

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.

Análisis IAImpulsado por IA

Productos Afectados

mozillafirefox

Referencias

https://bugzilla.mozilla.org/show_bug.cgi?id=1701942
Issue TrackingPermissions RequiredVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-16/
Release NotesVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1701942
Issue TrackingPermissions RequiredVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-16/
Release NotesVendor Advisory