CVE-2026-84134
Critical · CVSS 9.8- CVSS
- 9.8
- nvd
- EPSS
- —
- KEV
- No
- Class
- other
- CWE-200
Description
Other issue in the Profile Backup component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
References
Status: profiled · ingested 2026-09-04T00:00:49.000Z