SB2026022528 - Spoofing attack in Firefox for iOS



SB2026022528 - Spoofing attack in Firefox for iOS

Published: February 25, 2026

Security Bulletin ID SB2026022528
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Spoofing attack (CVE-ID: CVE-2026-2634)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to desynchronization between the address bar and web content before a response is received in Firefox iOS. A remote attacker can spoof page content for an arbitrary domain name. 


Remediation

Install update from vendor's website.