Archive · Firefox
Release — Firefox · 2026-04-21
CVEs 43
| CVE | Component | Class | Severity | ITW | Fix | RCA |
|---|---|---|---|---|---|---|
| CVE-2026-6746 | DOM | UAF | High | — | ● | — |
| CVE-2026-6747 | DOM | UAF | High | — | ● | — |
| CVE-2026-6748 | DOM | Uninitialized Memory | High | — | ● | — |
| CVE-2026-6749 | DOM | Uninitialized Memory | High | — | ● | — |
| CVE-2026-6750 | DOM | Logic Error | High | — | ● | — |
| CVE-2026-6751 | DOM | Uninitialized Memory | High | — | ● | — |
| CVE-2026-6752 | Core | Logic Error | High | — | ● | — |
| CVE-2026-6753 | Core | Logic Error | High | — | ● | — |
| CVE-2026-6754 | DOM | UAF | High | — | ● | — |
| CVE-2026-6755 | DOM | Logic Error | Medium | — | ● | — |
| CVE-2026-6756 | Core | Logic Error | Medium | — | ● | — |
| CVE-2026-6757 | SpiderMonkey | Logic Error | Medium | — | ● | — |
| CVE-2026-6758 | SpiderMonkey | UAF | Medium | — | ● | — |
| CVE-2026-6759 | Networking | UAF | Medium | — | ● | — |
| CVE-2026-6760 | DOM | Logic Error | Medium | — | ● | — |
| CVE-2026-6761 | DOM | Logic Error | Medium | — | ● | — |
| CVE-2026-6762 | Core | Logic Error | Medium | — | ● | — |
| CVE-2026-6763 | Toolkit | Logic Error | Medium | — | ● | — |
| CVE-2026-6764 | DOM | Logic Error | Medium | — | ● | — |
| CVE-2026-6765 | Toolkit | Logic Error | Medium | — | ● | — |
| CVE-2026-6766 | Core | Logic Error | Medium | — | — | — |
| CVE-2026-6767 | Core | Logic Error | Medium | — | — | — |
| CVE-2026-6768 | Networking | Logic Error | Medium | — | ● | — |
| CVE-2026-6769 | Core | Logic Error | Medium | — | ● | — |
| CVE-2026-6770 | DOM | Logic Error | Medium | — | ● | — |
| CVE-2026-6771 | DOM | Logic Error | Medium | — | ● | — |
| CVE-2026-6772 | Core | Logic Error | Medium | — | — | — |
| CVE-2026-6773 | Core | Integer Overflow | Low | — | — | — |
| CVE-2026-6774 | DOM | Logic Error | Low | — | ● | — |
| CVE-2026-6775 | DOM | Logic Error | Low | — | ● | — |
| CVE-2026-6776 | DOM | Logic Error | Low | — | ● | — |
| CVE-2026-6777 | Networking | Logic Error | Low | — | ● | — |
| CVE-2026-6778 | DOM | Logic Error | Low | — | ● | — |
| CVE-2026-6779 | SpiderMonkey | Logic Error | Low | — | ● | — |
| CVE-2026-6780 | Core | Logic Error | Low | — | — | — |
| CVE-2026-6781 | DOM | Logic Error | Low | — | ● | — |
| CVE-2026-6782 | Toolkit | Logic Error | Low | — | ● | — |
| CVE-2026-6783 | DOM | Integer Overflow | Low | — | ● | — |
| CVE-2026-6784 | DOM | Memory Corruption | High | — | ● | — |
| CVE-2026-6785 | Core | Memory Corruption | High | — | — | — |
| CVE-2026-6786 | Graphics | Memory Corruption | High | — | ● | — |
| CVE-2026-7321 | DOM | Sandbox Escape | Medium | — | ● | — |
| CVE-2026-8091 | Core | Logic Error | High | — | — | — |