Security
CVE Feed
Latest vulnerabilities from the National Vulnerability Database.
26391
Total
1955
Critical
7971
High
8223
Medium
| CVE ID | Severity | Score | Description | Published |
|---|---|---|---|---|
| CVE-2026-12319 | MEDIUM | 6.5 | Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | Jun 16, 2026 |
| CVE-2026-12318 | HIGH | 7.3 | Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | Jun 16, 2026 |
| CVE-2026-12317 | HIGH | 7.5 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | Jun 16, 2026 |
| CVE-2026-12316 | CRITICAL | 9.1 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | Jun 16, 2026 |
| CVE-2026-12315 | CRITICAL | 9.1 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Jun 16, 2026 |
| CVE-2026-12314 | HIGH | 7.5 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Jun 16, 2026 |
| CVE-2026-12313 | MEDIUM | 4.7 | Information disclosure, 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. | Jun 16, 2026 |
| CVE-2026-12312 | HIGH | 7.5 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Jun 16, 2026 |
| CVE-2026-12311 | MEDIUM | 4.7 | Information disclosure, 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. | Jun 16, 2026 |
| CVE-2026-12310 | HIGH | 7.5 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Jun 16, 2026 |
| CVE-2026-12309 | MEDIUM | 6.5 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Jun 16, 2026 |
| CVE-2026-12308 | MEDIUM | 5.3 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Jun 16, 2026 |
| CVE-2026-12307 | MEDIUM | 5.3 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Jun 16, 2026 |
| CVE-2026-12306 | MEDIUM | 5.3 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Jun 16, 2026 |
| CVE-2026-12305 | HIGH | 7.5 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Jun 16, 2026 |
| CVE-2026-12304 | CRITICAL | 9.1 | 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. | Jun 16, 2026 |
| CVE-2026-12303 | MEDIUM | 4.3 | Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | Jun 16, 2026 |
| CVE-2026-12302 | MEDIUM | 6.5 | 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. | Jun 16, 2026 |
| CVE-2026-12301 | MEDIUM | 5.3 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | Jun 16, 2026 |
| CVE-2026-12300 | MEDIUM | 5.3 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | Jun 16, 2026 |
| CVE-2026-12299 | MEDIUM | 5.4 | 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 … | Jun 16, 2026 |
| CVE-2026-12298 | MEDIUM | 5.4 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Jun 16, 2026 |
| CVE-2026-12297 | UNKNOWN | — | 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 … | Jun 16, 2026 |
| CVE-2026-12296 | UNKNOWN | — | 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. | Jun 16, 2026 |
| CVE-2026-12295 | UNKNOWN | — | 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. | Jun 16, 2026 |