| CVE-2026-6767 | 中5.3 | Other issue in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6766 | 高7.5 | Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6765 | 中5.3 | Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6764 | 中6.5 | Incorrect boundary conditions in the DOM: Device Interfaces component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6763 | 中6.5 | Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6762 | 中6.3 | Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6761 | 高8.8 | Privilege escalation in the Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6760 | 緊急9.8 | Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 21/04/2026 |
| CVE-2026-6759 | 高7.5 | Use-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6758 | 高7.5 | Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 21/04/2026 |
| CVE-2026-6757 | 中6.3 | Invalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6756 | 高7.5 | Mitigation bypass in Firefox for Android. This vulnerability was fixed in Firefox 150. | 21/04/2026 |
| CVE-2026-6755 | 中6.5 | Mitigation bypass in the DOM: postMessage component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 21/04/2026 |
| CVE-2026-6754 | 高7.5 | Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6753 | 高7.3 | Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6752 | 高7.3 | Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6751 | 高7.3 | Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6750 | 高8.8 | Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6749 | 高7.5 | Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |
| CVE-2026-6748 | 緊急9.8 | Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 21/04/2026 |