Thunderbird
Source repositories
CVEs (1,945)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2019-11730 | Med | 0.44 | 6.5 | 0.20 | Jul 23, 2019 | A vulnerability exists where if a user opens a locally saved HTML file, this file can use file: URIs to access other files in the same directory or sub-directories if the names are known or guessed. The Fetch API can then be used to read the contents of any files stored in these… | ||
| CVE-2026-6770 | Med | 0.43 | 6.5 | 0.05 | Apr 21, 2026 | Other issue in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | ||
| CVE-2025-0242 | Med | 0.43 | 6.5 | 0.13 | Jan 7, 2025 | Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to… | ||
| CVE-2018-12366 | Med | 0.43 | 6.5 | 0.03 | Oct 18, 2018 | An invalid grid size during QCMS (color profile) transformations can result in the out-of-bounds read interpreted as a float value. This could leak private data into the output. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR <… | ||
| CVE-2018-12365 | Med | 0.43 | 6.5 | 0.03 | Oct 18, 2018 | A compromised IPC child process can escape the content sandbox and list the names of arbitrary files on the file system without user consent or interaction. This could result in exposure of private local files. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9,… | ||
| CVE-2014-1523 | Med | 0.43 | 6.5 | 0.03 | Apr 30, 2014 | Heap-based buffer overflow in the read_u32 function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted JPEG… | ||
| CVE-2026-16403 | Med | 0.42 | 6.5 | 0.00 | Jul 21, 2026 | Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||
| CVE-2026-57963 | Med | 0.42 | 6.5 | 0.00 | Jul 1, 2026 | An attacker who can send HTML chat messages (via Matrix or XMPP) can inject arbitrary styled content, phishing links, and CSS that manipulates the chat UI. This vulnerability was fixed in Thunderbird 152.0.1 and Thunderbird 140.12.1. | ||
| CVE-2026-12325 | Med | 0.42 | 6.5 | 0.00 | Jun 16, 2026 | Denial-of-service in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | ||
| CVE-2026-12319 | Med | 0.42 | 6.5 | 0.00 | Jun 16, 2026 | Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | ||
| CVE-2026-12309 | Med | 0.42 | 6.5 | 0.00 | Jun 16, 2026 | Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | ||
| CVE-2026-12302 | Med | 0.42 | 6.5 | 0.00 | Jun 16, 2026 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | ||
| CVE-2026-8971 | Med | 0.42 | 6.5 | 0.00 | May 19, 2026 | Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | ||
| CVE-2026-8961 | Med | 0.42 | 6.5 | 0.00 | May 19, 2026 | Spoofing issue in the Form Autofill component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | ||
| CVE-2026-8388 | Med | 0.42 | 6.5 | 0.00 | May 12, 2026 | Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11. | ||
| CVE-2026-6764 | Med | 0.42 | 6.5 | 0.00 | Apr 21, 2026 | Incorrect boundary conditions in the DOM: Device Interfaces component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | ||
| CVE-2026-6763 | Med | 0.42 | 6.5 | 0.00 | Apr 21, 2026 | Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | ||
| CVE-2026-6755 | Med | 0.42 | 6.5 | 0.00 | Apr 21, 2026 | Mitigation bypass in the DOM: postMessage component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | ||
| CVE-2026-3889 | Med | 0.42 | 6.5 | 0.00 | Mar 24, 2026 | Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9. | ||
| CVE-2026-4728 | Med | 0.42 | 6.5 | 0.00 | Mar 24, 2026 | Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149. |
- risk 0.44cvss 6.5epss 0.20
A vulnerability exists where if a user opens a locally saved HTML file, this file can use file: URIs to access other files in the same directory or sub-directories if the names are known or guessed. The Fetch API can then be used to read the contents of any files stored in these…
- risk 0.43cvss 6.5epss 0.05
Other issue in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
- risk 0.43cvss 6.5epss 0.13
Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to…
- risk 0.43cvss 6.5epss 0.03
An invalid grid size during QCMS (color profile) transformations can result in the out-of-bounds read interpreted as a float value. This could leak private data into the output. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR <…
- risk 0.43cvss 6.5epss 0.03
A compromised IPC child process can escape the content sandbox and list the names of arbitrary files on the file system without user consent or interaction. This could result in exposure of private local files. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9,…
- risk 0.43cvss 6.5epss 0.03
Heap-based buffer overflow in the read_u32 function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted JPEG…
- risk 0.42cvss 6.5epss 0.00
Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- risk 0.42cvss 6.5epss 0.00
An attacker who can send HTML chat messages (via Matrix or XMPP) can inject arbitrary styled content, phishing links, and CSS that manipulates the chat UI. This vulnerability was fixed in Thunderbird 152.0.1 and Thunderbird 140.12.1.
- risk 0.42cvss 6.5epss 0.00
Denial-of-service in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
- risk 0.42cvss 6.5epss 0.00
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
- risk 0.42cvss 6.5epss 0.00
Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
- risk 0.42cvss 6.5epss 0.00
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
- risk 0.42cvss 6.5epss 0.00
Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
- risk 0.42cvss 6.5epss 0.00
Spoofing issue in the Form Autofill component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
- risk 0.42cvss 6.5epss 0.00
Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
- risk 0.42cvss 6.5epss 0.00
Incorrect boundary conditions in the DOM: Device Interfaces component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
- risk 0.42cvss 6.5epss 0.00
Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
- risk 0.42cvss 6.5epss 0.00
Mitigation bypass in the DOM: postMessage component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
- risk 0.42cvss 6.5epss 0.00
Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9.
- risk 0.42cvss 6.5epss 0.00
Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
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