CVEvulnerability

CVE-2026-84134

9.8 CRITICAL Published 2026-09-01 Modified 2026-09-03 Official page ↗
Status
Analyzed
Published
2026-09-01
Last modified
2026-09-03
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
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.

Affected configurations

• mozilla firefox (< 153.2.0) • mozilla firefox (>= 154.0.0 < 155.0.0) • mozilla thunderbird (< 153.2.0) • mozilla thunderbird (>= 154.0 < 155.0)

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References