| CVE-2026-12308 | TRUNG BÌNH5.3 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12307 | TRUNG BÌNH5.3 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12306 | TRUNG BÌNH5.3 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12305 | CAO7.5 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12304 | NGHIÊM TRỌNG9.1 | Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12303 | TRUNG BÌNH4.3 | Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | 16/06/2026 |
| CVE-2026-12302 | TRUNG BÌNH6.5 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12301 | TRUNG BÌNH5.3 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | 16/06/2026 |
| CVE-2026-12300 | TRUNG BÌNH5.3 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | 16/06/2026 |
| CVE-2026-12299 | TRUNG BÌNH5.4 | JIT miscompilation in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12298 | TRUNG BÌNH5.4 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12297 | NGHIÊM TRỌNG9.6 | Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12296 | NGHIÊM TRỌNG9.6 | Sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12295 | NGHIÊM TRỌNG9.6 | Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12294 | NGHIÊM TRỌNG9.6 | Sandbox escape in the DOM: Workers component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12293 | NGHIÊM TRỌNG9.8 | Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | 16/06/2026 |
| CVE-2026-12292 | CAO8.1 | Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12291 | CAO8.8 | Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12290 | CAO8.1 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |
| CVE-2026-12289 | CAO8.8 | Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | 16/06/2026 |