# Mozilla Firefox (en-US) 122.0

Mozilla Firefox (en-US) 122.0, released January 18, 2024, fixes 15 CVEs in Mozilla Firefox (en-US). None of them is reported as exploited. Patch Radar priority: Urgent. 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-122.0
- Platform: Windows apps
- Released: Jan 18, 2024
- Priority: Urgent (Closes CVE-2024-0743, rated Critical)
- CVEs: 15, 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- Superseded by: [Mozilla Firefox (en-US) 159.0](https://patchblox.com/security/data/product/windows-app/mozilla-firefox-en-us.md), the latest version, which also fixes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) |  | 122.0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-0743](https://patchblox.com/security/data/cve/CVE-2024-0743.md) | Urgent | Mozilla Firefox ESR and 5 others: Unchecked Return Value | 7.5 | 0.0129 |  |
| [CVE-2024-0741](https://patchblox.com/security/data/cve/CVE-2024-0741.md) | High | Mozilla Firefox ESR and 5 others: Out-of-bounds Write | 7.5 | 0.0216 |  |
| [CVE-2024-0750](https://patchblox.com/security/data/cve/CVE-2024-0750.md) | High | Mozilla Firefox ESR and 5 others: User Interface (UI) Misrepresentation of Critical Information | 8.8 | 0.0084 |  |
| [CVE-2024-0755](https://patchblox.com/security/data/cve/CVE-2024-0755.md) | High | Mozilla Firefox ESR and 5 others: Improper Control of Generation of Code ('Code Injection') | 8.8 | 0.0075 |  |
| [CVE-2024-0745](https://patchblox.com/security/data/cve/CVE-2024-0745.md) | High | Mozilla Firefox ESR and 3 others: Out-of-bounds Write | 8.8 | 0.0066 |  |
| [CVE-2024-0751](https://patchblox.com/security/data/cve/CVE-2024-0751.md) | High | Mozilla Firefox ESR and 5 others: Improper Privilege Management | 8.8 | 0.0063 |  |
| [CVE-2024-0744](https://patchblox.com/security/data/cve/CVE-2024-0744.md) | High | Mozilla Firefox ESR and 3 others: Improper Restriction of Operations within the Bounds of a Memory Buffer | 7.5 | 0.0060 |  |
| [CVE-2024-0742](https://patchblox.com/security/data/cve/CVE-2024-0742.md) | High | Mozilla Firefox ESR and 5 others: It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally… | 7.5 | 0.0060 |  |
| [CVE-2024-0746](https://patchblox.com/security/data/cve/CVE-2024-0746.md) | Routine | Mozilla Firefox ESR and 5 others: Use After Free | 6.5 | 0.0074 |  |
| [CVE-2024-0753](https://patchblox.com/security/data/cve/CVE-2024-0753.md) | Routine | Mozilla Firefox ESR and 5 others: In specific HSTS configurations an attacker could have bypassed HSTS on a subdomain. | 6.5 | 0.0072 |  |
| [CVE-2024-0747](https://patchblox.com/security/data/cve/CVE-2024-0747.md) | Routine | Mozilla Firefox ESR and 5 others: Protection Mechanism Failure | 6.5 | 0.0060 |  |
| [CVE-2024-0754](https://patchblox.com/security/data/cve/CVE-2024-0754.md) | Routine | Mozilla Firefox ESR and 3 others: Uncaught Exception | 6.5 | 0.0043 |  |
| [CVE-2024-0752](https://patchblox.com/security/data/cve/CVE-2024-0752.md) | Routine | Mozilla Firefox ESR and 3 others: Use After Free | 6.5 | 0.0042 |  |
| [CVE-2024-0748](https://patchblox.com/security/data/cve/CVE-2024-0748.md) | Routine | Mozilla Firefox ESR and 3 others: A compromised content process could have updated the document URI. | 4.3 | 0.0037 |  |
| [CVE-2024-0749](https://patchblox.com/security/data/cve/CVE-2024-0749.md) | Routine | Mozilla Firefox ESR and 5 others: Origin Validation Error | 6.1 | 0.0034 |  |

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Data as of 2026-11-09T07:25:28Z 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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