# Firefox Developer Edition (en-US) 128.0

Firefox Developer Edition (en-US) 128.0, released June 11, 2024, fixes 16 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-128.0
- Platform: Windows apps
- Released: Jun 11, 2024
- Priority: High (Closes CVE-2024-6602, high severity)
- CVEs: 16, 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- Superseded by: [Firefox Developer Edition (en-US) 156.0](https://patchblox.com/security/data/product/windows-app/firefox-developer-edition-en-us.md), the latest version,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) |  | 128.0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-6602](https://patchblox.com/security/data/cve/CVE-2024-6602.md) | High | Memory corruption in NSS | 9.8 | 0.0099 |  |
| [CVE-2024-6611](https://patchblox.com/security/data/cve/CVE-2024-6611.md) | High | Incorrect handling of SameSite cookies | 9.8 | 0.0066 |  |
| [CVE-2024-7652](https://patchblox.com/security/data/cve/CVE-2024-7652.md) | High | Type Confusion in Async Generators in Javascript Engine | 8.6 | 0.0066 |  |
| [CVE-2024-6609](https://patchblox.com/security/data/cve/CVE-2024-6609.md) | High | Memory corruption in NSS | 8.8 | 0.0058 |  |
| [CVE-2024-6607](https://patchblox.com/security/data/cve/CVE-2024-6607.md) | High | Leaving pointerlock by pressing the escape key could be prevented | 8.8 | 0.0056 |  |
| [CVE-2024-6603](https://patchblox.com/security/data/cve/CVE-2024-6603.md) | High | Memory corruption in thread creation | 7.5 | 0.0054 |  |
| [CVE-2024-6615](https://patchblox.com/security/data/cve/CVE-2024-6615.md) | High | Memory safety bugs fixed in Firefox 128 and Thunderbird 128 | 8.8 | 0.0045 |  |
| [CVE-2024-6606](https://patchblox.com/security/data/cve/CVE-2024-6606.md) | High | Out-of-bounds read in clipboard component | 8.2 | 0.0040 |  |
| [CVE-2024-6601](https://patchblox.com/security/data/cve/CVE-2024-6601.md) | High | Race condition in permission assignment | 7.5 | 0.0039 |  |
| [CVE-2024-6605](https://patchblox.com/security/data/cve/CVE-2024-6605.md) | High | Firefox Android missed activation delay to prevent tapjacking | 8.8 | 0.0036 |  |
| [CVE-2024-6612](https://patchblox.com/security/data/cve/CVE-2024-6612.md) | Routine | CSP violation leakage when using devtools | 5.3 | 0.0050 |  |
| [CVE-2024-6600](https://patchblox.com/security/data/cve/CVE-2024-6600.md) | Routine | Memory corruption in WebGL API | 6.3 | 0.0040 |  |
| [CVE-2024-6608](https://patchblox.com/security/data/cve/CVE-2024-6608.md) | Routine | Cursor could be moved out of the viewport using pointerlock. | 4.3 | 0.0038 |  |
| [CVE-2024-6614](https://patchblox.com/security/data/cve/CVE-2024-6614.md) | Routine | Incorrect listing of stack frames | 4.3 | 0.0037 |  |
| [CVE-2024-6610](https://patchblox.com/security/data/cve/CVE-2024-6610.md) | Routine | Form validation popups could block exiting full-screen mode | 4.3 | 0.0034 |  |
| [CVE-2024-6613](https://patchblox.com/security/data/cve/CVE-2024-6613.md) | Routine | Incorrect listing of stack frames | 5.5 | 0.0019 |  |

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Data as of 2026-11-08T06:59:42Z 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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