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Description

Spoofing issue in the Address Bar component. This vulnerability affects Firefox < 142 and Firefox ESR < 140.2.

PUBLISHED Reserved 2025-08-19 | Published 2025-08-19 | Updated 2025-08-20 | Assigner mozilla

Problem types

Spoofing issue in the Address Bar component

Product status

Any version before 142
affected

Any version before 140.2
affected

Credits

Renwa

References

bugzilla.mozilla.org/show_bug.cgi?id=1976102

www.mozilla.org/security/advisories/mfsa2025-64/

www.mozilla.org/security/advisories/mfsa2025-67/

cve.org (CVE-2025-9183)

nvd.nist.gov (CVE-2025-9183)

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