Description

Information disclosure, mitigation bypass in the Settings UI component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

INFO

Published Date :

2026-02-24T13:33:31.491Z

Last Modified :

2026-04-13T13:54:31.077Z

Source :

mozilla
AFFECTED PRODUCTS

The following products are affected by CVE-2026-2803 vulnerability.

Vendors Products
Mozilla
  • Firefox
  • Thunderbird
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-2803.

URL Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=2012012 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-2803 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-2803 cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-13/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-13/#CVE-2026-2803 cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-16/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-16/#CVE-2026-2803 cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact