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| CVE | 描述 | 最高 CVSS | EPSS % | 公開時間 | 更新時間 |
|---|---|---|---|---|---|
| CVE-2026-6747 | Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 7.5 | 0.38% | 2026-04-21 | 2026-06-29 |
| CVE-2026-6746 | Use-after-free 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. | 7.5 | 0.58% | 2026-04-21 | 2026-06-29 |
| CVE-2026-6654 | Double-Free / Use-After-Free (UAF) in the `IntoIter::drop` and `ThinVec::clear` functions in the thin_vec crate. A panic in `ptr::drop_in_place` skips setting the length to zero. | 5.1 | 0.17% | 2026-04-20 | 2026-06-29 |
| CVE-2026-5735 | Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149.0.2 and Thunderbird 149.0.2. | 9.8 | 0.31% | 2026-04-07 | 2026-06-29 |
| CVE-2026-5734 | Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1. | 9.8 | 0.32% | 2026-04-07 | 2026-06-29 |
| CVE-2026-5733 | Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 149.0.2 and Thunderbird 149.0.2. | 8.8 | 0.28% | 2026-04-07 | 2026-06-29 |
| CVE-2026-5732 | Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1. | 8.8 | 0.35% | 2026-04-07 | 2026-06-29 |
| CVE-2026-5731 | Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1. | 9.8 | 0.34% | 2026-04-07 | 2026-06-29 |
| CVE-2026-4371 | A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking sensitive data. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9. | 7.4 | 0.36% | 2026-03-24 | 2026-06-29 |
| CVE-2026-3889 | Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9. | 6.5 | 0.20% | 2026-03-24 | 2026-06-17 |
| CVE-2026-4729 | Memory safety bugs present in Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149 and Thunderbird 149. | 9.8 | 0.33% | 2026-03-24 | 2026-06-29 |
| CVE-2026-4728 | Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149. | 6.5 | 0.24% | 2026-03-24 | 2026-06-17 |
| CVE-2026-4727 | Denial-of-service in the Libraries component in NSS. This vulnerability was fixed in Firefox 149 and Thunderbird 149. | 7.5 | 0.53% | 2026-03-24 | 2026-06-17 |
| CVE-2026-4726 | Denial-of-service in the XML component. This vulnerability was fixed in Firefox 149 and Thunderbird 149. | 7.5 | 0.53% | 2026-03-24 | 2026-06-17 |
| CVE-2026-4725 | Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149 and Thunderbird 149. | 10.0 | 0.32% | 2026-03-24 | 2026-06-17 |
| CVE-2026-4724 | Undefined behavior in the Audio/Video component. This vulnerability was fixed in Firefox 149 and Thunderbird 149. | 9.1 | 0.32% | 2026-03-24 | 2026-06-17 |
| CVE-2026-4723 | Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 149 and Thunderbird 149. | 9.8 | 0.39% | 2026-03-24 | 2026-06-17 |
| CVE-2026-4722 | Privilege escalation in the IPC component. This vulnerability was fixed in Firefox 149 and Thunderbird 149. | 8.8 | 0.31% | 2026-03-24 | 2026-06-17 |
| CVE-2026-4721 | Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9. | 9.8 | 0.43% | 2026-03-24 | 2026-06-29 |
| CVE-2026-4720 | Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9. | 9.8 | 0.42% | 2026-03-24 | 2026-06-29 |