# Firefox Developer Edition (en-US) 130.0

Firefox Developer Edition (en-US) 130.0, released August 6, 2024, fixes 8 CVEs in Firefox Developer Edition (en-US). None of them is reported as exploited. Patch Radar priority: High. The latest Firefox Developer Edition (en-US) is 156.0, which also fixes every one of these CVEs.

- Web page: https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-130.0
- Platform: Windows apps
- Released: Aug 6, 2024
- Priority: High (Closes CVE-2024-8381, high severity)
- CVEs: 8, exploited: 0, on CISA KEV: 0
- Superseded by: [Firefox Developer Edition (en-US) 156.0](https://patchblox.com/security/data/product/windows-app/firefox-developer-edition-en-us.md), the latest version, which also fixes every CVE listed here

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Firefox Developer Edition (en-US)](https://patchblox.com/security/data/product/windows-app/firefox-developer-edition-en-us.md) |  | 130.0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-8381](https://patchblox.com/security/data/cve/CVE-2024-8381.md) | High | Mozilla Firefox ESR and 6 others: Access of Resource Using Incompatible Type ('Type Confusion') | 9.8 | 0.0440 |  |
| [CVE-2024-8384](https://patchblox.com/security/data/cve/CVE-2024-8384.md) | High | Mozilla Firefox ESR and 6 others: Use After Free | 9.8 | 0.0072 |  |
| [CVE-2024-8383](https://patchblox.com/security/data/cve/CVE-2024-8383.md) | High | Mozilla Firefox ESR and 4 others: Initialization of a Resource with an Insecure Default | 7.5 | 0.0064 |  |
| [CVE-2024-8382](https://patchblox.com/security/data/cve/CVE-2024-8382.md) | High | Mozilla Firefox ESR and 6 others: Improper Check for Dropped Privileges | 8.8 | 0.0060 |  |
| [CVE-2024-8387](https://patchblox.com/security/data/cve/CVE-2024-8387.md) | High | Mozilla Thunderbird ESR and 2 others: Improper Restriction of Operations within the Bounds of a Memory Buffer | 9.8 | 0.0058 |  |
| [CVE-2024-8385](https://patchblox.com/security/data/cve/CVE-2024-8385.md) | High | Mozilla Firefox ESR and 7 others: Access of Resource Using Incompatible Type ('Type Confusion') | 9.8 | 0.0058 |  |
| [CVE-2024-8389](https://patchblox.com/security/data/cve/CVE-2024-8389.md) | High | Firefox Developer Edition and 1 other: Improper Restriction of Operations within the Bounds of a Memory Buffer | 9.8 | 0.0049 |  |
| [CVE-2024-8386](https://patchblox.com/security/data/cve/CVE-2024-8386.md) | Routine | Mozilla Firefox ESR and 7 others: Authentication Bypass by Spoofing | 6.1 | 0.0039 |  |

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Data as of 2026-11-08T13:06:02Z 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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