# Mozilla Firefox (en-US) 111.0

Mozilla Firefox (en-US) 111.0, released March 16, 2023, fixes 11 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-111.0
- Platform: Windows apps
- Released: Mar 16, 2023
- Priority: High (Closes CVE-2023-28176, high severity)
- CVEs: 11, 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- Superseded by: [Mozilla Firefox (en-US) 159.0](https://patchblox.com/security/data/product/windows-app/mozilla-firefox-en-us.md), the latest version, which also fixes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) |  | 111.0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-28176](https://patchblox.com/security/data/cve/CVE-2023-28176.md) | High | Mozilla Firefox and 4 others: Out-of-bounds Write | 8.8 | 0.0072 |  |
| [CVE-2023-28162](https://patchblox.com/security/data/cve/CVE-2023-28162.md) | High | Mozilla Firefox and 4 others: Access of Resource Using Incompatible Type ('Type Confusion') | 8.8 | 0.0070 |  |
| [CVE-2023-25751](https://patchblox.com/security/data/cve/CVE-2023-25751.md) | High | Mozilla Firefox and 4 others: Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be… | 7.5 | 0.0069 |  |
| [CVE-2023-28161](https://patchblox.com/security/data/cve/CVE-2023-28161.md) | High | Mozilla Firefox and 2 others: Improper Preservation of Permissions | 8.8 | 0.0062 |  |
| [CVE-2023-25752](https://patchblox.com/security/data/cve/CVE-2023-25752.md) | High | Mozilla Firefox and 4 others: When accessing throttled streams, the count of available bytes needed to be checked in the calling function… | 7.5 | 0.0061 |  |
| [CVE-2023-28177](https://patchblox.com/security/data/cve/CVE-2023-28177.md) | High | Mozilla Firefox and 2 others: Out-of-bounds Write | 8.8 | 0.0055 |  |
| [CVE-2023-28164](https://patchblox.com/security/data/cve/CVE-2023-28164.md) | High | Mozilla Firefox and 4 others: Origin Validation Error | 7.5 | 0.0035 |  |
| [CVE-2023-28163](https://patchblox.com/security/data/cve/CVE-2023-28163.md) | Routine | Mozilla Firefox and 4 others: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | 6.5 | 0.0080 |  |
| [CVE-2023-28160](https://patchblox.com/security/data/cve/CVE-2023-28160.md) | Routine | Mozilla Firefox and 2 others: Direct Request ('Forced Browsing') | 6.5 | 0.0051 |  |
| [CVE-2023-25750](https://patchblox.com/security/data/cve/CVE-2023-25750.md) | Routine | Mozilla Firefox and 2 others: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | 4.3 | 0.0046 |  |
| [CVE-2023-28159](https://patchblox.com/security/data/cve/CVE-2023-28159.md) | Routine | Mozilla Firefox and 2 others: Improper Restriction of Rendered UI Layers or Frames | 4.3 | 0.0035 |  |

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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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