CVE-2025-23109

Description

Long hostnames in URLs could be leveraged to obscure the actual host of the website or spoof the website address This vulnerability affects Firefox for iOS < 134.

Reserved 2025-01-10 | Published 2025-01-11 | Updated 2025-01-13 | Assigner mozilla

Problem types

Address bar spoofing on iOS using long hostnames

Product status

Any version before 134
affected

Credits

Khalil Zhani

References

bugzilla.mozilla.org/show_bug.cgi?id=1419275

www.mozilla.org/security/advisories/mfsa2025-06/

cve.org (CVE-2025-23109)

nvd.nist.gov (CVE-2025-23109)

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