Archive · Firefox
Release — Firefox · 2026-08-18
CVEs 58
| CVE | Component | Class | Severity | ITW | Fix | RCA |
|---|---|---|---|---|---|---|
| CVE-2026-74934 | DOM | Logic Error | High | — | ● | ✓ |
| CVE-2026-74935 | Networking | Logic Error | High | — | ● | ✓ |
| CVE-2026-74936 | SpiderMonkey | UAF | High | — | ● | ✓ |
| CVE-2026-74937 | SpiderMonkey | UAF | High | — | ● | ✓ |
| CVE-2026-74938 | SpiderMonkey | Logic Error | High | — | ● | ✓ |
| CVE-2026-74939 | Networking | Logic Error | High | — | ● | ✓ |
| CVE-2026-74940 | Graphics | UAF | High | — | ● | ✓ |
| CVE-2026-74941 | DOM | Logic Error | High | — | ● | ✓ |
| CVE-2026-74942 | Core | Logic Error | High | — | ● | ✓ |
| CVE-2026-74943 | ImageLib | UAF | High | — | ● | ✓ |
| CVE-2026-74944 | Layout | UAF | High | — | ● | ✓ |
| CVE-2026-74945 | Graphics | Info Disclosure | High | — | ● | ✓ |
| CVE-2026-74946 | DOM | Logic Error | High | — | ● | ✓ |
| CVE-2026-74947 | DOM | Logic Error | High | — | ● | ✓ |
| CVE-2026-74948 | DOM | Info Disclosure | High | — | ● | ✓ |
| CVE-2026-74949 | Graphics | UAF | Medium | — | ● | ✓ |
| CVE-2026-74950 | Widget | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-74951 | Core | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-74952 | Toolkit | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-74953 | DOM | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-74954 | DOM | Info Disclosure | Medium | — | ● | ✓ |
| CVE-2026-74955 | Core | Logic Error | Medium | — | — | — |
| CVE-2026-74956 | Core | Cross Origin | Medium | — | — | — |
| CVE-2026-74957 | Toolkit | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-74958 | DOM | Info Disclosure | Medium | — | ● | ✓ |
| CVE-2026-74959 | DOM | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-74960 | Toolkit | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-74961 | DOM | Info Disclosure | Medium | — | ● | ✓ |
| CVE-2026-74962 | DOM | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-74963 | DOM | Cross Origin | Medium | — | ● | ✓ |
| CVE-2026-74964 | Graphics | Integer Overflow | Medium | — | ● | ✓ |
| CVE-2026-74965 | DOM | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-74966 | Toolkit | Info Disclosure | Medium | — | ● | ✓ |
| CVE-2026-74967 | DOM | Cross Origin | Medium | — | ● | ✓ |
| CVE-2026-74968 | Core | Logic Error | Medium | — | — | — |
| CVE-2026-74969 | Graphics | UAF | Medium | — | ● | ✓ |
| CVE-2026-74970 | Graphics | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-74971 | DOM | Info Disclosure | Medium | — | ● | ✓ |
| CVE-2026-74972 | DOM | Info Disclosure | Medium | — | ● | ✓ |
| CVE-2026-74973 | Graphics | UAF | Medium | — | ● | ✓ |
| CVE-2026-74974 | Networking | Cross Origin | Medium | — | ● | ✓ |
| CVE-2026-74975 | Core | Spoofing | Low | — | ● | ✓ |
| CVE-2026-74976 | SpiderMonkey | Logic Error | Low | — | ● | ✓ |
| CVE-2026-74977 | Graphics | Integer Overflow | Low | — | ● | ✓ |
| CVE-2026-74978 | Widget | Logic Error | Low | — | ● | ✓ |
| CVE-2026-74979 | Toolkit | Logic Error | Low | — | ● | ✓ |
| CVE-2026-74980 | Core | Logic Error | Low | — | ● | ✓ |
| CVE-2026-74981 | Graphics | Logic Error | Low | — | ● | ✓ |
| CVE-2026-74982 | DOM | Logic Error | Low | — | ● | ✓ |
| CVE-2026-74983 | Toolkit | Logic Error | Low | — | ● | ✓ |
| CVE-2026-74984 | SpiderMonkey | Race | Low | — | ● | ✓ |
| CVE-2026-74985 | Toolkit | Logic Error | Low | — | ● | ✓ |
| CVE-2026-74986 | DOM | Logic Error | Low | — | ● | ✓ |
| CVE-2026-74987 | Security/NSS | Memory Corruption | High | — | ● | ✓ |
| CVE-2026-74988 | Graphics | Memory Corruption | High | — | ● | ✓ |
| CVE-2026-74989 | Core | Memory Corruption | Medium | — | — | — |
| CVE-2026-74990 | DOM | Memory Corruption | High | — | ● | ✓ |
| CVE-2026-75874 | Core | Sandbox Escape | High | — | — | — |