Filtered by vendor Mozilla
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Filtered by product Firefox Esr
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Total
679 CVE
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-5731 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-16 | 9.8 Critical |
| Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 149.0.2, Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1. | ||||
| CVE-2026-2784 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-16 | 9.8 Critical |
| Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. | ||||
| CVE-2026-2779 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-16 | 9.8 Critical |
| Incorrect boundary conditions in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. | ||||
| CVE-2026-2778 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-16 | 10 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-2026-2776 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-16 | 10 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 | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-16 | 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. | ||||
| CVE-2026-2773 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-16 | 9.8 Critical |
| Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. | ||||
| CVE-2026-2771 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-16 | 9.8 Critical |
| Undefined behavior 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-2026-2766 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-16 | 9.8 Critical |
| Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. | ||||
| CVE-2026-2765 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-16 | 9.8 Critical |
| Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. | ||||
| CVE-2026-2764 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-16 | 9.8 Critical |
| JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. | ||||
| CVE-2026-0877 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-15 | 8.1 High |
| Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7. | ||||
| CVE-2026-0885 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-15 | 6.5 Medium |
| Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7. | ||||
| CVE-2026-0878 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-15 | 8 High |
| Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7. | ||||
| CVE-2026-0879 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-15 | 9.8 Critical |
| Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7. | ||||
| CVE-2026-0880 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-15 | 8.8 High |
| Sandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7. | ||||
| CVE-2026-0882 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-15 | 8.8 High |
| Use-after-free in the IPC component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7. | ||||
| CVE-2026-0883 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-15 | 5.3 Medium |
| Information disclosure in the Networking component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7. | ||||
| CVE-2026-0884 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-15 | 9.8 Critical |
| Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7. | ||||
| CVE-2026-0886 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-15 | 5.3 Medium |
| Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7. | ||||