# firefox 122.0+build2-0ubuntu0.20.04.1: firefox 122.0+build2-0ubuntu0.20.04.1 for Ubuntu 20.04 LTS (focal)

firefox 122.0+build2-0ubuntu0.20.04.1, released January 23, 2024, fixes 14 CVEs in firefox. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-122.0-build2-0ubuntu0.20.04.1
- Platform: Linux
- Released: Jan 23, 2024
- Priority: High (Closes CVE-2024-0741, high severity)
- CVEs: 14, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [firefox](https://patchblox.com/security/data/product/linux/firefox.md) | Ubuntu 20.04 LTS (focal) | 122.0+build2-0ubuntu0.20.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [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-2024-0743](https://patchblox.com/security/data/cve/CVE-2024-0743.md) | High | Mozilla Firefox ESR and 5 others: Unchecked Return Value | 7.5 | 0.0129 |  |
| [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-2024-0748](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 |  |

---

Data as of 2026-11-13T20:04:13Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.