Mozilla Firefox Focus vulnerabilities

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Published CVEs affecting Mozilla Firefox Focus: 4 record(s), with affected versions and fixes.
cpe:2.3:a:mozilla:firefox_focus

CVE-2026-8945 High · 7.5 CWE-693 May 19, 2026

Sandbox escape in Firefox and Firefox Focus for Android

Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.

CVE-2026-2919 Medium · 4.3 CWE-451 Mar 9, 2026

Attacker-controlled content shown under spoofed domains in Focus for iOS via stalled navigation and iframe redirect

Malicious scripts could display attacker-controlled web content under spoofed domains in Focus for iOS by stalling a _self navigation to an invalid port and triggering an iframe redirect, causing the UI to display a trusted domain without user interaction. This vulnerability was fixed in Focus for iOS 148.2.

CVE-2022-26485 High · 8.8 KEV High · 61 Public exploit CWE-416 Dec 22, 2022

Mozilla Firefox Use-After-Free Vulnerability

Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.

CVE-2022-26486 Critical · 9.6 KEV High · 58 CWE-416 Dec 22, 2022

Mozilla Firefox Use-After-Free Vulnerability

An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.