Information disclosure, mitigation bypass in the Settings UI component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
History

Sat, 28 Feb 2026 00:15:00 +0000


Thu, 26 Feb 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 26 Feb 2026 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200
CWE-693

Wed, 25 Feb 2026 19:00:00 +0000

Type Values Removed Values Added
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}


Wed, 25 Feb 2026 12:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Mozilla thunderbird
Vendors & Products Mozilla
Mozilla firefox
Mozilla thunderbird

Tue, 24 Feb 2026 18:00:00 +0000

Type Values Removed Values Added
Description Information disclosure, mitigation bypass in the Settings UI component. This vulnerability affects Firefox < 148. Information disclosure, mitigation bypass in the Settings UI component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
References

Tue, 24 Feb 2026 14:00:00 +0000

Type Values Removed Values Added
Description Information disclosure, mitigation bypass in the Settings UI component. This vulnerability affects Firefox < 148.
Title Information disclosure, mitigation bypass in the Settings UI component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2026-02-24T13:33:31.491Z

Updated: 2026-02-26T20:01:27.866Z

Reserved: 2026-02-19T15:06:58.944Z

Link: CVE-2026-2803

cve-icon Vulnrichment

Updated: 2026-02-26T19:57:35.000Z

cve-icon NVD

Status : Modified

Published: 2026-02-24T14:16:28.810

Modified: 2026-02-26T21:28:59.873

Link: CVE-2026-2803

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-02-24T13:33:31Z

Links: CVE-2026-2803 - Bugzilla