An integer overflow was present in `OrderedHashTable` used by the JavaScript engine This vulnerability affects Firefox < 139.0.4.
https://www.securityweek.com/chrome-firefox-updates-resolve-high-severity-memory-bugs/
https://www.mozilla.org/security/advisories/mfsa2025-47/
https://bugzilla.mozilla.org/show_bug.cgi?id=1970095
Source: Mitre, NVD
Published: 2025-06-11
Updated: 2025-06-16
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00043