In unusual circumstances, an individual thread may outlive the thread's manager during shutdown. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox < 98.
https://www.mozilla.org/security/advisories/mfsa2022-10/
https://bugzilla.mozilla.org/show_bug.cgi?id=1747526
Source: Mitre, NVD
Published: 2022-12-22
Updated: 2022-12-30
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