A use-after-free crash could have occurred on macOS if a Firefox update were being applied on a very busy system. This could have resulted in an exploitable crash. This vulnerability affects Firefox < 122.
https://www.mozilla.org/security/advisories/mfsa2024-01/
https://bugzilla.mozilla.org/show_bug.cgi?id=1866840
Source: Mitre, NVD
Published: 2024-01-23
Updated: 2024-01-30
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
Severity: High
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Severity: Medium