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.

Classification

CVE ID: CVE-2025-23109

Affected Products

Vendor: Mozilla

Product: Firefox for iOS

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 11.47% (scored less or equal to compared to others)

EPSS Date: 2025-02-09 (when was this score calculated)

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1419275
https://www.mozilla.org/security/advisories/mfsa2025-06/

Timeline