TH
Product
Thunderbird
On CISA KEVExploited in the wildRansomware-linked
2,073
CVEs
14
On KEV
10.0
Max CVSS
77
New 30D
Severity mix
Critical 379High 120Medium 1Low 0
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Add Thunderbird to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2026-100763 | 9.1 | Sep 29 | Incorrect boundary conditions in the Graphics: WebGPU component Affected: before 157.0 |
| CVE-2026-92240 | 9.1 | Sep 15 | Out-of-bounds read in IMAP response parser Affected: before 140.16.0; 141.0 before 153.3.0; 154.0 before 156.0 |
| CVE-2026-92079 | 9.1 | Sep 15 | Mitigation bypass in the Widget: Win32 component Affected: before 153.3.0; 154.0 before 156.0 |
| CVE-2026-92075 | 9.1 | Sep 15 | Mitigation bypass in the Networking component Affected: before 153.3.0; 154.0 before 156.0 |
| CVE-2026-92057 | 9.1 | Sep 15 | Mitigation bypass in the Enterprise Policies component Affected: before 153.3.0; 154.0 before 156.0 |
| CVE-2026-92051 | 9.1 | Sep 15 | Spoofing issue due to invalid pointer in the Graphics component Affected: before 156.0 |
| CVE-2026-92050 | 9.1 | Sep 15 | Sandbox escape due to race condition in the XPConnect component Affected: before 156.0 |
| CVE-2026-92041 | 9.1 | Sep 15 | Mitigation bypass in the DOM: Networking component Affected: before 153.3.0; 154.0 before 156.0 |
| CVE-2026-92038 | 9.1 | Sep 15 | Mitigation bypass in the Remote Settings Client component Affected: before 153.3.0; 154.0 before 156.0 |
| CVE-2026-92034 | 9.1 | Sep 15 | Site isolation issue in the Graphics component Affected: before 156.0 |
| CVE-2026-84639 | 9.1 | Sep 1 | Uninitialized memory in MIME parsing Affected: before 140.15.0; 141.0 before 153.2.0; 154.0 before 155.0 |
| CVE-2026-74986 | 9.1 | Aug 18 | Site isolation issue in the CSS Parsing and Computation component Affected: before 153.1.0 |
| CVE-2026-74961 | 9.1 | Aug 18 | Side-channel in the Web Audio component Affected: before 153.1.0; before 153.1.0 |
| CVE-2026-74956 | 9.1 | Aug 18 | Same-origin policy bypass in the DOM: Service Workers component Affected: before 153.1.0; before 154.0 |
| CVE-2026-74938 | 9.1 | Aug 18 | Mitigation bypass in the JavaScript: GC component Affected: before 153.1.0; before 154.0 |
| CVE-2026-74959 | 9.1 | Aug 18 | Mitigation bypass in the Storage: Cache API component Affected: before 140.14.0; 141.0 before 153.1.0 |
| CVE-2026-16359 | 9.1 | Jul 21 | Incorrect boundary conditions in the Audio/Video: GMP component Affected: before 140.13.0; 141.0 before 153.0 |
| CVE-2026-16393 | 9.1 | Jul 21 | Incorrect boundary conditions in the Graphics: WebGPU component Affected: before 153.0 |
| CVE-2026-16392 | 9.1 | Jul 21 | JIT miscompilation in the JavaScript Engine: JIT component Affected: before 153.0 |
| CVE-2026-16390 | 9.1 | Jul 21 | Mitigation bypass in the Enterprise Policies component Affected: before 140.13.0; 141.0 before 153.0 |
| CVE-2026-16381 | 9.1 | Jul 21 | Same-origin policy bypass in the Networking: DNS component Affected: before 140.13.0; 141.0 before 153.0 |
| CVE-2026-16380 | 9.1 | Jul 21 | Mitigation bypass in the Networking component Affected: before 153.0 |
| CVE-2026-16370 | 9.1 | Jul 21 | Mitigation bypass in the DOM: Networking component Affected: before 153.0 |
| CVE-2026-16364 | 9.1 | Jul 21 | Incorrect boundary conditions in the Audio/Video: Playback component Affected: before 153.0 |
| CVE-2026-12316 | 9.1 | Jun 16 | Mitigation bypass in the DOM: Security component Affected: before 152.0.0 |
| CVE-2026-12315 | 9.1 | Jun 16 | Mitigation bypass in the DOM: Security component Affected: before 140.12.0; before 152.0.0 |
| CVE-2026-12304 | 9.1 | Jun 16 | Same-origin policy bypass in the Networking: Cookies component Affected: before 140.12.0; before 152.0.0 |
| CVE-2026-8948 | 9.1 | May 19 | Same-origin policy bypass in the DOM: Networking component Affected: before 151.0.0 |
| CVE-2026-4724 | 9.1 | Mar 24 | Undefined behavior in the Audio/Video component Affected: before 149.0 |
| CVE-2026-2806 | 9.1 | Feb 24 | Uninitialized memory in the Graphics: Text component Affected: before 148.0 |
| CVE-2025-8037 | 9.1 | Jul 22 | Setting a nameless cookie with an equals sign in the value shadowed other cookies Affected: before 140.1; before 141.0 |
| CVE-2025-4083 | 9.1 | Apr 29 | 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… Affected: before 128.10.0; before 138.0 |
| CVE-2024-11705 | 9.1 | Nov 26 | `NSC_DeriveKey` inadvertently assumed that the `phKey` parameter is always non-NULL Affected: before 133.0 |
| CVE-2017-7758 | 9.1 | Jun 11 | An out-of-bounds read vulnerability with the Opus encoder when the number of channels in an audio stream changes while the encoder is in use Affected: before 52.2.0 |
| CVE-2017-7753 | 9.1 | Jun 11 | An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data Affected: before 52.3.0 |
| CVE-2017-5465 | 9.1 | Jun 11 | An out-of-bounds read while processing SVG content in "ConvolvePixel" Affected: before 52.1.0 |
| CVE-2017-5447 | 9.1 | Jun 11 | An out-of-bounds read during the processing of glyph widths during text layout Affected: before 52.1.0 |
| CVE-2014-1508 | 9.1 | Mar 19 | The libxul.so!gfxContext::Polygon function in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 allows remote attackers… Affected: before 24.4 |
| CVE-2026-92048 | 9.0 | Sep 15 | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component Affected: before 153.3.0; 154.0 before 156.0 |
| CVE-2026-100832 | 8.8 | Sep 29 | Use-after-free in the Graphics: Canvas2D component Affected: before 140.17.0; 141.0 before 153.4.0 |
| CVE-2026-100831 | 8.8 | Sep 29 | Use-after-free in the DOM: UI Events & Focus Handling component Affected: before 153.4.0; 154.0 before 157.0 |
| CVE-2026-100825 | 8.8 | Sep 29 | Use-after-free in the JavaScript Engine: JIT component Affected: before 153.4.0; 154.0 before 157.0 |
| CVE-2026-100824 | 8.8 | Sep 29 | Privilege escalation in the Places component Affected: before 153.4.0; 154.0 before 157.0 |
| CVE-2026-100820 | 8.8 | Sep 29 | Privilege escalation in the Address Bar component Affected: before 140.17.0; 141.0 before 153.4.0; 154.0 before 157.0 |
| CVE-2026-100815 | 8.8 | Sep 29 | Use-after-free in the CSS Parsing and Computation component Affected: before 153.4.0; 154.0 before 157.0 |
| CVE-2026-100814 | 8.8 | Sep 29 | Incorrect boundary conditions in the JavaScript Engine: JIT component Affected: before 153.4.0; 154.0 before 157.0 |
| CVE-2026-100813 | 8.8 | Sep 29 | Invalid pointer in the JavaScript Engine: JIT component Affected: before 157.0 |
| CVE-2026-100808 | 8.8 | Sep 29 | Mitigation bypass in the DOM: Service Workers component Affected: before 153.4.0; 154.0 before 157.0 |
| CVE-2026-100807 | 8.8 | Sep 29 | Privilege escalation in the DOM: Service Workers component Affected: before 140.17.0; 141.0 before 153.4.0; 154.0 before 157.0 |
| CVE-2026-100801 | 8.8 | Sep 29 | Privilege escalation in the DLL Services component Affected: before 140.17.0; 141.0 before 153.4.0; 154.0 before 157.0 |
The 500 most important CVEs for this product (exploited first, then by severity)
