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Known vulnerabilities in Mozilla Firefox

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CVE Summary Score Published
CVE-2025-14323 Privilege escalation in the DOM: Notifications component 8.8 High Dec 9, 2025
CVE-2025-14322 Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component 8.0 High Dec 9, 2025
CVE-2025-14321 Use-after-free in the WebRTC: Signaling component 9.8 Critical Dec 9, 2025
CVE-2025-13020 Use-after-free in the WebRTC: Audio/Video component 8.8 High Nov 11, 2025
CVE-2025-13027 Memory safety bugs present in Firefox 144 and Thunderbird 144 8.1 High Nov 11, 2025
CVE-2025-13019 Same-origin policy bypass in the DOM: Workers component 8.1 High Nov 11, 2025
CVE-2025-13018 Mitigation bypass in the DOM: Security component 8.1 High Nov 11, 2025
CVE-2025-13017 Same-origin policy bypass in the DOM: Notifications component 8.1 High Nov 11, 2025
CVE-2025-13025 Incorrect boundary conditions in the Graphics: WebGPU component 7.5 High Nov 11, 2025
CVE-2025-13026 Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component 9.8 Critical Nov 11, 2025
CVE-2025-13024 JIT miscompilation in the JavaScript Engine: JIT component 9.8 Critical Nov 11, 2025
CVE-2025-13016 Incorrect boundary conditions in the JavaScript: WebAssembly component 7.5 High Nov 11, 2025
CVE-2025-13023 Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component 9.8 Critical Nov 11, 2025
CVE-2025-13022 Incorrect boundary conditions in the Graphics: WebGPU component 9.8 Critical Nov 11, 2025
CVE-2025-13021 Incorrect boundary conditions in the Graphics: WebGPU component 9.8 Critical Nov 11, 2025
CVE-2025-13015 Spoofing issue in Firefox 3.4 Low Nov 11, 2025
CVE-2025-13014 Use-after-free in the Audio/Video component 8.8 High Nov 11, 2025
CVE-2025-13013 Mitigation bypass in the DOM: Core & HTML component 6.1 Medium Nov 11, 2025
CVE-2025-13012 Race condition in the Graphics component 7.5 High Nov 11, 2025
CVE-2025-12380 Starting with Firefox 142, it was possible for a compromised child process to trigger a use-after-free in the GPU or… 9.8 Critical Oct 28, 2025
CVE-2025-11720 The Firefox and Firefox Focus UI for the Android custom tab feature only showed the "site" that was loaded, not the full… 8.1 High Oct 14, 2025
CVE-2025-11721 Memory safety bug present in Firefox 143 and Thunderbird 143 9.8 Critical Oct 14, 2025
CVE-2025-11718 When the address bar was hidden due to scrolling on Android, a malicious page could create a fake address bar to fool… 6.5 Medium Oct 14, 2025
CVE-2025-11717 When switching between Android apps using the card carousel Firefox shows a black screen as its card image when a… 9.1 Critical Oct 14, 2025
CVE-2025-11719 Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes… 9.8 Critical Oct 14, 2025

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