# Firefox Developer Edition (en-US) 133.0

Firefox Developer Edition (en-US) 133.0, released November 15, 2024, fixes 16 CVEs in Firefox Developer Edition (en-US). None of them is reported as exploited. Patch Radar priority: Urgent. 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-133.0
- Platform: Windows apps
- Released: Nov 15, 2024
- Priority: Urgent (Closes CVE-2024-11704, rated Critical)
- 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- Superseded by: [Firefox Developer Edition (en-US) 156.0](https://patchblox.com/security/data/product/windows-app/firefox-developer-edition-en-us.md), the latest version,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) |  | 133.0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-11704](https://patchblox.com/security/data/cve/CVE-2024-11704.md) | Urgent | Mozilla Firefox ESR and 8 others: Double Free | 9.8 | 0.0091 |  |
| [CVE-2024-11693](https://patchblox.com/security/data/cve/CVE-2024-11693.md) | Urgent | Mozilla Firefox ESR and 8 others: The executable file warning was not presented when downloading .library-ms files. | 9.8 | 0.0083 |  |
| [CVE-2024-11697](https://patchblox.com/security/data/cve/CVE-2024-11697.md) | High | Mozilla Firefox ESR and 8 others: Improper Control of Generation of Code ('Code Injection') | 8.8 | 0.0081 |  |
| [CVE-2024-11699](https://patchblox.com/security/data/cve/CVE-2024-11699.md) | High | Mozilla Firefox ESR and 8 others: Improper Control of Generation of Code ('Code Injection') | 8.8 | 0.0072 |  |
| [CVE-2024-11705](https://patchblox.com/security/data/cve/CVE-2024-11705.md) | High | Mozilla Firefox ESR and 8 others: NULL Pointer Dereference | 9.1 | 0.0066 |  |
| [CVE-2024-11702](https://patchblox.com/security/data/cve/CVE-2024-11702.md) | High | Mozilla Firefox ESR and 8 others: Inappropriate Encoding for Output Context | 7.5 | 0.0053 |  |
| [CVE-2024-11694](https://patchblox.com/security/data/cve/CVE-2024-11694.md) | High | Mozilla Firefox ESR and 8 others: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | 8.8 | 0.0052 |  |
| [CVE-2024-11700](https://patchblox.com/security/data/cve/CVE-2024-11700.md) | High | Mozilla Firefox ESR and 8 others: Improper Restriction of Rendered UI Layers or Frames | 8.1 | 0.0051 |  |
| [CVE-2024-11692](https://patchblox.com/security/data/cve/CVE-2024-11692.md) | High | Mozilla Firefox ESR and 8 others: Authentication Bypass by Spoofing | 8.8 | 0.0049 |  |
| [CVE-2024-11695](https://patchblox.com/security/data/cve/CVE-2024-11695.md) | High | Mozilla Firefox ESR and 8 others: Improper Restriction of Rendered UI Layers or Frames | 8.8 | 0.0046 |  |
| [CVE-2024-11696](https://patchblox.com/security/data/cve/CVE-2024-11696.md) | High | Mozilla Firefox ESR and 8 others: Improper Verification of Cryptographic Signature | 8.8 | 0.0036 |  |
| [CVE-2025-0243](https://patchblox.com/security/data/cve/CVE-2025-0243.md) | High | Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6 | 7.5 | 0.0025 |  |
| [CVE-2024-11706](https://patchblox.com/security/data/cve/CVE-2024-11706.md) | Routine | Mozilla Firefox ESR and 8 others: NULL Pointer Dereference | 6.5 | 0.0050 |  |
| [CVE-2024-11701](https://patchblox.com/security/data/cve/CVE-2024-11701.md) | Routine | Mozilla Firefox ESR and 8 others: Authentication Bypass by Spoofing | 4.3 | 0.0042 |  |
| [CVE-2024-11708](https://patchblox.com/security/data/cve/CVE-2024-11708.md) | Routine | Mozilla Firefox ESR and 8 others: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | 6.5 | 0.0035 |  |
| [CVE-2024-11703](https://patchblox.com/security/data/cve/CVE-2024-11703.md) | Routine | Mozilla Firefox ESR and 5 others: Insufficiently Protected Credentials | 5.7 | 0.0022 |  |

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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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