Thunderbird
Source repositories
CVEs (2,164)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-16394 | Cri | 0.59 | 9.1 | 0.00 | Jul 21, 2026 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||
| CVE-2026-16393 | Cri | 0.59 | 9.1 | 0.00 | Jul 21, 2026 | Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||
| CVE-2026-16392 | Cri | 0.59 | 9.1 | 0.00 | Jul 21, 2026 | JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||
| CVE-2026-16390 | Cri | 0.59 | 9.1 | 0.00 | Jul 21, 2026 | Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||
| CVE-2026-16381 | Cri | 0.59 | 9.1 | 0.00 | Jul 21, 2026 | Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||
| CVE-2026-16380 | Cri | 0.59 | 9.1 | 0.00 | Jul 21, 2026 | Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||
| CVE-2026-16370 | Cri | 0.59 | 9.1 | 0.00 | Jul 21, 2026 | Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||
| CVE-2026-16364 | Cri | 0.59 | 9.1 | 0.00 | Jul 21, 2026 | Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||
| CVE-2026-16359 | Cri | 0.59 | 9.1 | 0.00 | Jul 21, 2026 | Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||
| CVE-2026-12316 | Cri | 0.59 | 9.1 | 0.00 | Jun 16, 2026 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | ||
| CVE-2026-12315 | Cri | 0.59 | 9.1 | 0.00 | Jun 16, 2026 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | ||
| CVE-2026-12304 | Cri | 0.59 | 9.1 | 0.00 | Jun 16, 2026 | 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. | ||
| CVE-2026-8948 | Cri | 0.59 | 9.1 | 0.00 | May 19, 2026 | Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | ||
| CVE-2026-4724 | Cri | 0.59 | 9.1 | 0.00 | Mar 24, 2026 | Undefined behavior in the Audio/Video component. This vulnerability was fixed in Firefox 149 and Thunderbird 149. | ||
| CVE-2026-4716 | Cri | 0.59 | 9.1 | 0.00 | Mar 24, 2026 | Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9. | ||
| CVE-2026-4715 | Cri | 0.59 | 9.1 | 0.00 | Mar 24, 2026 | Uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9. | ||
| CVE-2026-2806 | Cri | 0.59 | 9.1 | 0.01 | Feb 24, 2026 | Uninitialized memory in the Graphics: Text component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | ||
| CVE-2025-8037 | Cri | 0.59 | 9.1 | 0.00 | Jul 22, 2025 | Setting a nameless cookie with an equals sign in the value shadowed other cookies. Even if the nameless cookie was set over HTTP and the shadowed cookie included the `Secure` attribute. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and… | ||
| CVE-2025-6427 | Cri | 0.59 | 9.1 | 0.00 | Jun 24, 2025 | An attacker was able to bypass the `connect-src` directive of a Content Security Policy by manipulating subdocuments. This would have also hidden the connections from the Network tab in Devtools. This vulnerability was fixed in Firefox 140 and Thunderbird 140. | ||
| CVE-2025-4083 | Cri | 0.59 | 9.1 | 0.00 | Apr 29, 2025 | A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability was fixed in… |
- risk 0.59cvss 9.1epss 0.00
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- risk 0.59cvss 9.1epss 0.00
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- risk 0.59cvss 9.1epss 0.00
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- risk 0.59cvss 9.1epss 0.00
Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
- risk 0.59cvss 9.1epss 0.00
Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
- risk 0.59cvss 9.1epss 0.00
Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- risk 0.59cvss 9.1epss 0.00
Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- risk 0.59cvss 9.1epss 0.00
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- risk 0.59cvss 9.1epss 0.00
Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
- risk 0.59cvss 9.1epss 0.00
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
- risk 0.59cvss 9.1epss 0.00
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
- risk 0.59cvss 9.1epss 0.00
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.
- risk 0.59cvss 9.1epss 0.00
Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
- risk 0.59cvss 9.1epss 0.00
Undefined behavior in the Audio/Video component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
- risk 0.59cvss 9.1epss 0.00
Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
- risk 0.59cvss 9.1epss 0.00
Uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
- risk 0.59cvss 9.1epss 0.01
Uninitialized memory in the Graphics: Text component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
- risk 0.59cvss 9.1epss 0.00
Setting a nameless cookie with an equals sign in the value shadowed other cookies. Even if the nameless cookie was set over HTTP and the shadowed cookie included the `Secure` attribute. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and…
- risk 0.59cvss 9.1epss 0.00
An attacker was able to bypass the `connect-src` directive of a Content Security Policy by manipulating subdocuments. This would have also hidden the connections from the Network tab in Devtools. This vulnerability was fixed in Firefox 140 and Thunderbird 140.
- risk 0.59cvss 9.1epss 0.00
A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability was fixed in…
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