Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Filtered by product Firefox
Total 3337 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2026-4690 1 Mozilla 1 Firefox 2026-07-15 N/A 8.6 HIGH
Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4689 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 10.0 CRITICAL
Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4688 1 Mozilla 1 Firefox 2026-07-15 N/A 10.0 CRITICAL
Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4687 1 Mozilla 1 Firefox 2026-07-15 N/A 8.6 HIGH
Sandbox escape due to incorrect boundary conditions in the Telemetry component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4686 1 Mozilla 1 Firefox 2026-07-15 N/A 7.5 HIGH
Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4685 1 Mozilla 1 Firefox 2026-07-15 N/A 7.5 HIGH
Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4684 1 Mozilla 1 Firefox 2026-07-15 N/A 7.5 HIGH
Race condition, use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-2807 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Memory safety bugs present in Firefox 147 and Thunderbird 147. 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 148 and Thunderbird 148.
CVE-2026-2799 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2798 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 8.8 HIGH
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2797 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2796 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2795 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2794 1 Mozilla 1 Firefox 2026-07-15 N/A 7.5 HIGH
Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 148.
CVE-2026-2793 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. 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 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2792 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. 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 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2778 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 10.0 CRITICAL
Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2777 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Privilege escalation in the Messaging System component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2776 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 10.0 CRITICAL
Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2775 1 Mozilla 2 Firefox, Thunderbird 2026-07-15 N/A 9.8 CRITICAL
Mitigation bypass in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.