SB2025121646 - Filename spoofing in Mozilla Firefox for iOS
Published: December 16, 2025
Security Bulletin ID
SB2025121646
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2025-14744)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of RTLO characters. A remote attacker can spoof filenames in the downloads UI and trick the victim into saving files of an unexpected file type.
Remediation
Install update from vendor's website.