Thunderbird
Source repositories
CVEs (1,864)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-8960 | Hig | 0.49 | 7.5 | 0.00 | May 19, 2026 | Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | ||
| CVE-2026-8954 | Hig | 0.49 | 7.5 | 0.00 | May 19, 2026 | Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | ||
| CVE-2026-8949 | Hig | 0.49 | 7.5 | 0.01 | May 19, 2026 | Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | ||
| CVE-2026-8946 | Hig | 0.49 | 7.5 | 0.01 | May 19, 2026 | Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | ||
| CVE-2026-7320 | Hig | 0.49 | 7.5 | 0.00 | Apr 28, 2026 | Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1. | ||
| CVE-2026-6786 | Hig | 0.49 | 7.5 | 0.01 | Apr 26, 2026 | Memory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. 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… | ||
| CVE-2026-6785 | Hig | 0.49 | 7.5 | 0.01 | Apr 26, 2026 | Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. 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… | ||
| CVE-2026-6784 | Hig | 0.49 | 7.5 | 0.00 | Apr 21, 2026 | Memory safety bugs present in Firefox 149 and Thunderbird 149. 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 150 and… | ||
| CVE-2026-6782 | Hig | 0.49 | 7.5 | 0.00 | Apr 21, 2026 | Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | ||
| CVE-2026-6781 | Hig | 0.49 | 7.5 | 0.00 | Apr 21, 2026 | Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | ||
| CVE-2026-6780 | Hig | 0.49 | 7.5 | 0.00 | Apr 21, 2026 | Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | ||
| CVE-2026-6773 | Hig | 0.49 | 7.5 | 0.00 | Apr 21, 2026 | Denial-of-service due to integer overflow in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | ||
| CVE-2026-6772 | Hig | 0.49 | 7.5 | 0.00 | Apr 21, 2026 | Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | ||
| CVE-2026-6766 | Hig | 0.49 | 7.5 | 0.00 | Apr 21, 2026 | Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | ||
| CVE-2026-6759 | Hig | 0.49 | 7.5 | 0.00 | Apr 21, 2026 | Use-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | ||
| CVE-2026-6758 | Hig | 0.49 | 7.5 | 0.00 | Apr 21, 2026 | Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | ||
| CVE-2026-6754 | Hig | 0.49 | 7.5 | 0.00 | Apr 21, 2026 | Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | ||
| CVE-2026-6749 | Hig | 0.49 | 7.5 | 0.00 | Apr 21, 2026 | Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | ||
| CVE-2026-6747 | Hig | 0.49 | 7.5 | 0.00 | Apr 21, 2026 | Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | ||
| CVE-2026-6746 | Hig | 0.49 | 7.5 | 0.01 | Apr 21, 2026 | 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. |
- risk 0.49cvss 7.5epss 0.00
Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
- risk 0.49cvss 7.5epss 0.00
Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
- risk 0.49cvss 7.5epss 0.01
Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
- risk 0.49cvss 7.5epss 0.01
Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
- risk 0.49cvss 7.5epss 0.00
Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.
- risk 0.49cvss 7.5epss 0.01
Memory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. 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…
- risk 0.49cvss 7.5epss 0.01
Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. 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…
- risk 0.49cvss 7.5epss 0.00
Memory safety bugs present in Firefox 149 and Thunderbird 149. 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 150 and…
- risk 0.49cvss 7.5epss 0.00
Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
- risk 0.49cvss 7.5epss 0.00
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
- risk 0.49cvss 7.5epss 0.00
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
- risk 0.49cvss 7.5epss 0.00
Denial-of-service due to integer overflow in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
- risk 0.49cvss 7.5epss 0.00
Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
- risk 0.49cvss 7.5epss 0.00
Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
- risk 0.49cvss 7.5epss 0.00
Use-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
- risk 0.49cvss 7.5epss 0.00
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
- risk 0.49cvss 7.5epss 0.00
Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
- risk 0.49cvss 7.5epss 0.00
Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
- risk 0.49cvss 7.5epss 0.00
Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
- risk 0.49cvss 7.5epss 0.01
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.
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