本頁列出影響 mozilla thunderbird 的已公開 CVE 漏洞（透過 NVD CPE 關聯）。每列包含嚴重程度評分、摘要與發布日期，便於識別與分析安全議題。
| CVE | 摘要 | 來源 | 最高 CVSS | EPSS % | 公開時間 | 更新時間 |
|---|---|---|---|---|---|---|
| CVE-2026-8975 | Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and Firefox 150. 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 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 8.8 | 0.04% | 2026-05-19 | 2026-05-26 |
| CVE-2026-8974 | Memory safety bugs present in Firefox ESR 140.10 and Firefox 150. 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 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 8.8 | 0.05% | 2026-05-19 | 2026-05-26 |
| CVE-2026-8973 | Memory safety bugs present in Firefox 150. 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 151 and Thunderbird 151. | [email protected] | 8.8 | 0.04% | 2026-05-19 | 2026-05-26 |
| CVE-2026-8972 | Privilege escalation in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 8.8 | 0.03% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8971 | Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 6.5 | 0.01% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8970 | Privilege escalation in the Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 8.8 | 0.04% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8969 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 8.1 | 0.04% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8968 | Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 7.5 | 0.06% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8967 | Information disclosure in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 7.5 | 0.02% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8966 | Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 7.5 | 0.02% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8965 | Information disclosure in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 7.5 | 0.02% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8964 | Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 7.5 | 0.02% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8963 | Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 7.5 | 0.03% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8962 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 8.1 | 0.02% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8961 | Spoofing issue in the Form Autofill component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 6.5 | 0.02% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8960 | Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 7.5 | 0.03% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8959 | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 9.6 | 0.16% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8958 | Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 8.6 | 0.06% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8957 | Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 8.8 | 0.03% | 2026-05-19 | 2026-05-20 |
| CVE-2026-8956 | Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 9.8 | 0.06% | 2026-05-19 | 2026-05-20 |