# Mozilla Thunderbird (en-US) 102.6.0

Mozilla Thunderbird (en-US) 102.6.0, released December 12, 2022, fixes 22 CVEs in Mozilla Thunderbird (en-US). None of them is reported as exploited. Patch Radar priority: High. The latest Mozilla Thunderbird (en-US) is 159.0, which also fixes every one of these CVEs.

- Web page: https://patchblox.com/security/fix/windows-app/mozilla.thunderbird-102.6.0
- Platform: Windows apps
- Released: Dec 12, 2022
- Priority: High (Closes CVE-2022-45406, high severity)
- CVEs: 22, exploited: 0, on CISA KEV: 0
- Superseded by: [Mozilla Thunderbird (en-US) 159.0](https://patchblox.com/security/data/product/windows-app/mozilla-thunderbird-en-us.md), the latest version, which also fixes every CVE listed here

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Mozilla Thunderbird (en-US)](https://patchblox.com/security/data/product/windows-app/mozilla-thunderbird-en-us.md) |  | 102.6.0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-45406](https://patchblox.com/security/data/cve/CVE-2022-45406.md) | High | Mozilla Firefox and 4 others: Use After Free | 9.8 | 0.0107 |  |
| [CVE-2022-46882](https://patchblox.com/security/data/cve/CVE-2022-46882.md) | High | Mozilla Firefox and 4 others: Use After Free | 9.8 | 0.0098 |  |
| [CVE-2022-46874](https://patchblox.com/security/data/cve/CVE-2022-46874.md) | High | Mozilla Firefox and 4 others: Improper Control of Generation of Code ('Code Injection') | 8.8 | 0.0097 |  |
| [CVE-2022-42928](https://patchblox.com/security/data/cve/CVE-2022-42928.md) | High | Mozilla Firefox and 4 others: NULL Pointer Dereference | 8.8 | 0.0089 |  |
| [CVE-2022-45410](https://patchblox.com/security/data/cve/CVE-2022-45410.md) | High | Mozilla Firefox and 4 others: Missing Authorization | 9.8 | 0.0082 |  |
| [CVE-2022-45409](https://patchblox.com/security/data/cve/CVE-2022-45409.md) | High | Mozilla Firefox and 4 others: Use After Free | 9.8 | 0.0079 |  |
| [CVE-2022-42929](https://patchblox.com/security/data/cve/CVE-2022-42929.md) | High | Mozilla Firefox and 4 others: Uncontrolled Resource Consumption | 8.8 | 0.0079 |  |
| [CVE-2022-45418](https://patchblox.com/security/data/cve/CVE-2022-45418.md) | High | Mozilla Firefox and 4 others: Improper Restriction of Rendered UI Layers or Frames | 9.8 | 0.0078 |  |
| [CVE-2022-46878](https://patchblox.com/security/data/cve/CVE-2022-46878.md) | High | Mozilla Firefox and 4 others: Mozilla developers Randell Jesup, Valentin Gosu, Olli Pettay, and the Mozilla Fuzzing Team reported memory… | 8.8 | 0.0077 |  |
| [CVE-2022-46881](https://patchblox.com/security/data/cve/CVE-2022-46881.md) | High | Mozilla Firefox and 4 others: Out-of-bounds Write | 8.8 | 0.0077 |  |
| [CVE-2022-42932](https://patchblox.com/security/data/cve/CVE-2022-42932.md) | High | Mozilla Firefox and 4 others: Out-of-bounds Write | 8.8 | 0.0077 |  |
| [CVE-2022-45421](https://patchblox.com/security/data/cve/CVE-2022-45421.md) | High | Mozilla Firefox and 4 others: Out-of-bounds Write | 9.8 | 0.0075 |  |
| [CVE-2022-45403](https://patchblox.com/security/data/cve/CVE-2022-45403.md) | High | Mozilla Firefox and 4 others: Observable Discrepancy | 9.8 | 0.0074 |  |
| [CVE-2022-45416](https://patchblox.com/security/data/cve/CVE-2022-45416.md) | High | Mozilla Firefox and 4 others: Observable Discrepancy | 9.8 | 0.0072 |  |
| [CVE-2022-45408](https://patchblox.com/security/data/cve/CVE-2022-45408.md) | High | Mozilla Firefox and 4 others: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | 9.8 | 0.0071 |  |
| [CVE-2022-46880](https://patchblox.com/security/data/cve/CVE-2022-46880.md) | High | Mozilla Thunderbird and 4 others: Use After Free | 8.8 | 0.0070 |  |
| [CVE-2022-45405](https://patchblox.com/security/data/cve/CVE-2022-45405.md) | High | Mozilla Firefox and 4 others: Use After Free | 9.8 | 0.0068 |  |
| [CVE-2022-45404](https://patchblox.com/security/data/cve/CVE-2022-45404.md) | High | Mozilla Firefox and 4 others: User Interface (UI) Misrepresentation of Critical Information | 9.8 | 0.0065 |  |
| [CVE-2022-45411](https://patchblox.com/security/data/cve/CVE-2022-45411.md) | High | Mozilla Firefox and 4 others: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | 9.8 | 0.0061 |  |
| [CVE-2022-45420](https://patchblox.com/security/data/cve/CVE-2022-45420.md) | High | Mozilla Firefox and 4 others: Improper Restriction of Rendered UI Layers or Frames | 9.8 | 0.0061 |  |
| [CVE-2022-45414](https://patchblox.com/security/data/cve/CVE-2022-45414.md) | High | Mozilla Thunderbird and 1 other: Exposure of Sensitive Information to an Unauthorized Actor | 8.1 | 0.0056 |  |
| [CVE-2022-42927](https://patchblox.com/security/data/cve/CVE-2022-42927.md) | High | Mozilla Firefox and 4 others: Origin Validation Error | 8.8 | 0.0045 |  |

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Data as of 2026-11-10T13:56:55Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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