Filtered by vendor Mozilla
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Filtered by product Firefox Esr
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Total
639 CVE
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2025-14333 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 8.1 High |
| Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145. 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 affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6. | ||||
| CVE-2026-2761 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 10 Critical |
| Sandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2760 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 10 Critical |
| Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2759 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 9.8 Critical |
| Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2758 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 9.8 Critical |
| Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2757 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 9.8 Critical |
| Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2780 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 8.8 High |
| Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-0891 | 1 Mozilla | 4 Firefox, Firefox Esr, Thunderbird and 1 more | 2026-02-26 | 8.1 High |
| Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. 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 affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7. | ||||
| CVE-2026-2777 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 9.8 Critical |
| Privilege escalation in the Messaging System component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2782 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 8.8 High |
| Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2792 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 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 affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2793 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-26 | 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 affects 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 | 2026-02-25 | 9.8 Critical |
| Undefined behavior in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2769 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-25 | 8.8 High |
| Use-after-free in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. | ||||
| CVE-2026-2447 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-02-22 | 8.8 High |
| Heap buffer overflow in libvpx. This vulnerability affects Firefox < 147.0.4, Firefox ESR < 140.7.1, Firefox ESR < 115.32.1, Thunderbird < 140.7.2, and Thunderbird < 147.0.2. | ||||
| CVE-2026-0890 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-01-22 | 5.4 Medium |
| Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7. | ||||
| CVE-2026-0887 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-01-22 | 4.3 Medium |
| Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7. | ||||
| CVE-2026-0886 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-01-22 | 5.3 Medium |
| Incorrect boundary conditions in the Graphics component. This vulnerability affects 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 | 2026-01-22 | 5.3 Medium |
| Information disclosure in the Networking component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7. | ||||
| CVE-2026-0884 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-01-22 | 9.8 Critical |
| Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7. | ||||