A use-after-free could result if a JavaScript realm was in the process of being initialized when a garbage collection started. This vulnerability affects Firefox < 125.
https://www.mozilla.org/security/advisories/mfsa2024-18/
https://bugzilla.mozilla.org/show_bug.cgi?id=1884427
Source: Mitre, NVD
Published: 2024-04-16
Updated: 2024-07-03
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: High