Firefox

Source repositories

CVEs (3,344)

CVE	Vendor / Product	Sev	Risk	CVSS	EPSS	Published	Description
CVE-2026-16408	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16407	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16402	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16395	Mozilla Corporation Firefox	Cri	0.64	9.8	0.01	Jul 21, 2026	Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16389	Mozilla Corporation Firefox	Cri	0.64	9.8	0.01	Jul 21, 2026	Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16388	Mozilla Corporation Firefox	Cri	0.64	9.8	0.01	Jul 21, 2026	Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16387	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16383	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16382	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16377	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16375	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	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.
CVE-2026-16369	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16368	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	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.
CVE-2026-16363	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16361	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	Memory safety bugs present in Thunderbird ESR 140.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 115.38, Firefox ESR…
CVE-2026-16360	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	Memory safety bugs present in Firefox ESR 115.37, Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in…
CVE-2026-16358	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16357	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16356	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16355	Mozilla Corporation Firefox	Cri	0.64	9.8	0.00	Jul 21, 2026	JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

CVE-2026-16408CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16407CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16402CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16395CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.01
Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16389CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.01
Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16388CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.01
Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16387CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16383CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16382CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16377CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16375CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
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.
CVE-2026-16369CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16368CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
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.
CVE-2026-16363CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16361CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
Memory safety bugs present in Thunderbird ESR 140.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 115.38, Firefox ESR…
CVE-2026-16360CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
Memory safety bugs present in Firefox ESR 115.37, Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in…
CVE-2026-16358CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16357CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16356CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16355CriJul 21, 2026
Mozilla Corporation
Firefox
risk 0.64cvss 9.8epss 0.00
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

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