# Mozilla Thunderbird (da) 150.0.1

Mozilla Thunderbird (da) 150.0.1, released April 30, 2026, fixes 4 CVEs in Mozilla Thunderbird (da). None of them is reported as exploited. Patch Radar priority: High. The latest Mozilla Thunderbird (da) is 159.0, which also fixes every one of these CVEs.

- Web page: https://patchblox.com/security/fix/windows-app/mozilla.thunderbird.da-150.0.1
- Platform: Windows apps
- Released: Apr 30, 2026
- Priority: High (Closes CVE-2026-7323, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Superseded by: [Mozilla Thunderbird (da) 159.0](https://patchblox.com/security/data/product/windows-app/mozilla-thunderbird-da.md), the latest version, which also fixes every CVE listed here

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Mozilla Thunderbird (da)](https://patchblox.com/security/data/product/windows-app/mozilla-thunderbird-da.md) |  | 150.0.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-7323](https://patchblox.com/security/data/cve/CVE-2026-7323.md) | High | Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1 | 8.8 | 0.0038 |  |
| [CVE-2026-7320](https://patchblox.com/security/data/cve/CVE-2026-7320.md) | High | Information disclosure due to incorrect boundary conditions in the Audio/Video component | 8.8 | 0.0032 |  |
| [CVE-2026-7322](https://patchblox.com/security/data/cve/CVE-2026-7322.md) | High | Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1 | 8.8 | 0.0032 |  |
| [CVE-2026-7324](https://patchblox.com/security/data/cve/CVE-2026-7324.md) | High | Memory safety bugs fixed in Thunderbird 150.0.1 | 7.3 | 0.0030 |  |

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Data as of 2026-11-10T20:03:11Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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