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- Critical9.8Incorrect boundary conditions in the Networking: JAR component.Check if you run itEPSS 0.60%Feb 24, 2026
- Critical10.0Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component.Check if you run itEPSS 0.63%Feb 24, 2026
- Critical9.8Privilege escalation in the Messaging System component.Check if you run itEPSS 0.58%Feb 24, 2026
- Critical10.0Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software.Check if you run itEPSS 0.63%Feb 24, 2026
- Critical9.8Mitigation bypass in the DOM: HTML Parser component.Check if you run itEPSS 0.58%Feb 24, 2026
- Critical9.8Integer overflow in the Audio/Video component.Check if you run itEPSS 0.71%Feb 24, 2026
- Critical9.8Incorrect boundary conditions in the Web Audio component.Check if you run itEPSS 0.63%Feb 24, 2026
- Critical9.8Use-after-free in the Audio/Video: Playback component.Check if you run itEPSS 0.61%Feb 24, 2026
- Critical9.8Undefined behavior in the DOM: Core & HTML component.Check if you run itEPSS 0.63%Feb 24, 2026
- Critical9.8Use-after-free in the DOM: Bindings (WebIDL) component.Check if you run itEPSS 0.61%Feb 24, 2026
- High8.8Use-after-free in the Storage: IndexedDB component.Check if you run itEPSS 0.61%Feb 24, 2026
- Critical10.0Sandbox escape in the Storage: IndexedDB component.Check if you run itEPSS 0.58%Feb 24, 2026
- Critical9.8Use-after-free in the JavaScript: WebAssembly component.Check if you run itEPSS 0.61%Feb 24, 2026
- Critical9.8Use-after-free in the JavaScript Engine: JIT component.Check if you run itEPSS 0.61%Feb 24, 2026
- Critical9.8Use-after-free in the JavaScript Engine component.Check if you run itEPSS 0.61%Feb 24, 2026
- Critical9.8JIT miscompilation, use-after-free in the JavaScript Engine: JIT component.Check if you run itEPSS 0.61%Feb 24, 2026
- Critical9.8Use-after-free in the JavaScript Engine component.Check if you run itEPSS 0.61%Feb 24, 2026
- Critical9.8Integer overflow in the JavaScript: Standard Library component.Check if you run itEPSS 0.71%Feb 24, 2026
- Critical10.0Sandbox escape in the Graphics: WebRender component.Check if you run itEPSS 0.63%Feb 24, 2026
- Critical10.0Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component.Check if you run itEPSS 0.63%Feb 24, 2026
- Critical9.8Incorrect boundary conditions in the Graphics: ImageLib component.Check if you run itEPSS 0.63%Feb 24, 2026
- Critical9.8Use-after-free in the JavaScript: GC component.Check if you run itEPSS 0.61%Feb 24, 2026
- Critical9.8Incorrect boundary conditions in the WebRTC: Audio/Video component.Check if you run itEPSS 0.63%Feb 24, 2026
- High8.1Memory safety bugs present in Firefox 139 and Thunderbird 139.Check if you run itEPSS 4.26%Jun 24, 2025
- High8.1If a user saved a response from the Network tab in Devtools using the Save As context menu option, that file may not have been saved with the file extension.Check this weekEPSS 46.00%Jun 24, 2025