#VU102538 Spoofing attack in Firefox for iOS - CVE-2025-23109
Published: January 11, 2025
Vulnerability identifier: #VU102538
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-23109
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Firefox for iOS
Firefox for iOS
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of long hostnames. A remote attacker can use a long hostname to obscure the actual host of the website or spoof the website address.
Remediation
Install updates from vendor's website.