CVE-2026-2803

Description

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

PUBLISHED Reserved 2026-02-19 | Published 2026-02-24 | Updated 2026-04-13 | Assigner mozilla

Product status

Credits

Skywarp

References

bugzilla.mozilla.org/show_bug.cgi?id=2012012

www.mozilla.org/security/advisories/mfsa2026-13/

www.mozilla.org/security/advisories/mfsa2026-16/

cve.org (CVE-2026-2803)

nvd.nist.gov (CVE-2026-2803)

Download JSON