# Mozilla Firefox (en-US) 104.0

Mozilla Firefox (en-US) 104.0, released August 24, 2022, fixes 6 CVEs in Mozilla Firefox (en-US). None of them is reported as exploited. Patch Radar priority: High. The latest Mozilla Firefox (en-US) is 159.0, which also fixes every one of these CVEs.

- Web page: https://patchblox.com/security/fix/windows-app/mozilla.firefox-104.0
- Platform: Windows apps
- Released: Aug 24, 2022
- Priority: High (Closes CVE-2022-38478, high severity)
- CVEs: 6, exploited: 0, on CISA KEV: 0
- Superseded by: [Mozilla Firefox (en-US) 159.0](https://patchblox.com/security/data/product/windows-app/mozilla-firefox-en-us.md), the latest version, which also fixes every CVE listed here

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Mozilla Firefox (en-US)](https://patchblox.com/security/data/product/windows-app/mozilla-firefox-en-us.md) |  | 104.0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-38478](https://patchblox.com/security/data/cve/CVE-2022-38478.md) | High | Mozilla Thunderbird and 4 others: Out-of-bounds Write | 8.8 | 0.0094 |  |
| [CVE-2022-38477](https://patchblox.com/security/data/cve/CVE-2022-38477.md) | High | Mozilla Thunderbird and 4 others: Out-of-bounds Write | 8.8 | 0.0093 |  |
| [CVE-2022-38473](https://patchblox.com/security/data/cve/CVE-2022-38473.md) | High | Mozilla Thunderbird and 4 others: Improper Preservation of Permissions | 8.8 | 0.0074 |  |
| [CVE-2022-38472](https://patchblox.com/security/data/cve/CVE-2022-38472.md) | High | Mozilla Thunderbird and 4 others: Origin Validation Error | 8.8 | 0.0039 |  |
| [CVE-2022-38475](https://patchblox.com/security/data/cve/CVE-2022-38475.md) | Routine | Mozilla Firefox and 2 others: Incorrect Authorization | 6.5 | 0.0045 |  |
| [CVE-2022-38474](https://patchblox.com/security/data/cve/CVE-2022-38474.md) | Routine | Mozilla Firefox and 2 others: Exposure of Resource to Wrong Sphere | 4.3 | 0.0042 |  |

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Data as of 2026-11-09T07:25:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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