Spoofing Vulnerability in Firefox from Mozilla

CVE-2026-100822

What is CVE-2026-100822?

A spoofing vulnerability exists in the Networking: HTTP component of Mozilla Firefox, which could allow an attacker to create misleading URLs or web content that could deceive users. This may lead to unauthorized actions or exposing sensitive information. Mozilla has addressed this issue in the Firefox ESR 153.4 and Firefox 157 releases, enhancing the security measures to prevent potential exploitation.

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