# Mozilla Firefox (en-US) 102.0

Mozilla Firefox (en-US) 102.0, released June 27, 2022, fixes 17 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-102.0
- Platform: Windows apps
- Released: Jun 27, 2022
- Priority: High (Closes CVE-2022-2200, high severity)
- CVEs: 17, 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- Superseded by: [Mozilla Firefox (en-US) 159.0](https://patchblox.com/security/data/product/windows-app/mozilla-firefox-en-us.md), the latest version, which also fixes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) |  | 102.0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-2200](https://patchblox.com/security/data/cve/CVE-2022-2200.md) | High | Mozilla Thunderbird and 4 others: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') | 9.8 | 0.2394 |  |
| [CVE-2022-34470](https://patchblox.com/security/data/cve/CVE-2022-34470.md) | High | Mozilla Thunderbird and 4 others: Use After Free | 9.8 | 0.0109 |  |
| [CVE-2022-34484](https://patchblox.com/security/data/cve/CVE-2022-34484.md) | High | Mozilla Thunderbird and 4 others: Use After Free | 9.8 | 0.0100 |  |
| [CVE-2022-34468](https://patchblox.com/security/data/cve/CVE-2022-34468.md) | High | Mozilla Thunderbird and 4 others: Inclusion of Functionality from Untrusted Control Sphere | 9.8 | 0.0096 |  |
| [CVE-2022-34481](https://patchblox.com/security/data/cve/CVE-2022-34481.md) | High | Mozilla Thunderbird and 4 others: Integer Overflow or Wraparound | 9.8 | 0.0083 |  |
| [CVE-2022-34482](https://patchblox.com/security/data/cve/CVE-2022-34482.md) | High | Mozilla Firefox and 2 others: Unrestricted Upload of File with Dangerous Type | 8.8 | 0.0074 |  |
| [CVE-2022-34483](https://patchblox.com/security/data/cve/CVE-2022-34483.md) | High | Mozilla Firefox and 2 others: Unrestricted Upload of File with Dangerous Type | 8.8 | 0.0074 |  |
| [CVE-2022-34485](https://patchblox.com/security/data/cve/CVE-2022-34485.md) | High | Mozilla Firefox: Out-of-bounds Write | 9.8 | 0.0072 |  |
| [CVE-2022-34476](https://patchblox.com/security/data/cve/CVE-2022-34476.md) | High | Mozilla Firefox and 2 others: Improper Input Validation | 9.8 | 0.0071 |  |
| [CVE-2022-34472](https://patchblox.com/security/data/cve/CVE-2022-34472.md) | High | Mozilla Thunderbird and 4 others: Improper Check or Handling of Exceptional Conditions | 9.8 | 0.0060 |  |
| [CVE-2022-34480](https://patchblox.com/security/data/cve/CVE-2022-34480.md) | High | Mozilla Firefox and 2 others: Access of Uninitialized Pointer | 8.8 | 0.0058 |  |
| [CVE-2022-34477](https://patchblox.com/security/data/cve/CVE-2022-34477.md) | High | Mozilla Firefox and 2 others: Observable Discrepancy | 7.5 | 0.0057 |  |
| [CVE-2022-34478](https://patchblox.com/security/data/cve/CVE-2022-34478.md) | Routine | Mozilla Thunderbird and 4 others: URL Redirection to Untrusted Site ('Open Redirect') | 6.5 | 0.0080 |  |
| [CVE-2022-34475](https://patchblox.com/security/data/cve/CVE-2022-34475.md) | Routine | Mozilla Firefox and 2 others: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | 6.1 | 0.0061 |  |
| [CVE-2022-34474](https://patchblox.com/security/data/cve/CVE-2022-34474.md) | Routine | Mozilla Firefox and 2 others: URL Redirection to Untrusted Site ('Open Redirect') | 6.1 | 0.0042 |  |
| [CVE-2022-34473](https://patchblox.com/security/data/cve/CVE-2022-34473.md) | Routine | Mozilla Firefox and 2 others: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | 6.1 | 0.0039 |  |
| [CVE-2022-34471](https://patchblox.com/security/data/cve/CVE-2022-34471.md) | Routine | Mozilla Firefox and 2 others: Insufficient Verification of Data Authenticity | 6.5 | 0.0025 |  |

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Data as of 2026-11-09T01:18:40Z 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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