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firefox

Vendor: Mozilla • 3,473 CVEs

CVEs (3,473)

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1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
9.1 CRITICAL· v3
N/A· v2
Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
9.1 CRITICAL· v3
N/A· v2
Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Other issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Denial-of-service in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Information disclosure in the Framework component in DevTools. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, Thunderbird 140.13, Firefox ESR 140.15, and Thunderbird 140.15.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
9.1 CRITICAL· v3
N/A· v2
Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
10.0 CRITICAL· v3
N/A· v2
Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 153, Thunderbird 153, Firefox ESR 140.15, and Thunderbird 140.15.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
9.1 CRITICAL· v3
N/A· v2
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
1Mozilla
2Firefox
Thunderbird
Oct 24, 2026
Jul 21, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.