CVE-2026-84135: Improper Input Validation

Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155...

CVE-2026-18809: Exposure of Sensitive Information to an Unauthorized Actor

Information disclosure in Firefox for Android and Firefox Focus for Android. This vulnerability was fixed in Firefox 153.0.3...

CVE-2025-9186: User Interface (UI) Misrepresentation of Critical Information

Spoofing issue in the Address Bar component of Firefox Focus for Android. This vulnerability was fixed in Firefox 142...

CVE-2024-9391

A user who enables full-screen mode on a specially crafted web page could potentially be prevented from exiting full screen mode. This may allow spoofing of other sites as the address bar is no longer visible. This bug only affects Firefox Focus for Android. Other versions of Firefox are...

CVE-2024-9391: Authentication Bypass by Spoofing

A user who enables full-screen mode on a specially crafted web page could potentially be prevented from exiting full screen mode. This may allow spoofing of other sites as the address bar is no longer visible. This bug only affects Firefox Focus for Android. Other versions of Firefox are...