CVE-2026-16403

Summary

Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefox153 <= *unaffected
MozillaThunderbird153 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References