# firefox 111.0+build2-0ubuntu0.18.04.1: firefox 111.0+build2-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)

firefox 111.0+build2-0ubuntu0.18.04.1, released March 14, 2023, fixes 9 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-bionic-firefox-111.0-build2-0ubuntu0.18.04.1
- Platform: Linux
- Released: Mar 14, 2023
- Priority: High (Closes CVE-2023-28176, high severity)
- CVEs: 9, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [firefox](https://patchblox.com/security/data/product/linux/firefox.md) | Ubuntu 18.04.6 LTS (bionic) | 111.0+build2-0ubuntu0.18.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-28176](https://patchblox.com/security/data/cve/CVE-2023-28176.md) | High | Mozilla Firefox and 4 others: Out-of-bounds Write | 8.8 | 0.0072 |  |
| [CVE-2023-28162](https://patchblox.com/security/data/cve/CVE-2023-28162.md) | High | Mozilla Firefox and 4 others: Access of Resource Using Incompatible Type ('Type Confusion') | 8.8 | 0.0070 |  |
| [CVE-2023-25751](https://patchblox.com/security/data/cve/CVE-2023-25751.md) | High | Mozilla Firefox and 4 others: Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be… | 7.5 | 0.0069 |  |
| [CVE-2023-28161](https://patchblox.com/security/data/cve/CVE-2023-28161.md) | High | Mozilla Firefox and 2 others: Improper Preservation of Permissions | 8.8 | 0.0062 |  |
| [CVE-2023-25752](https://patchblox.com/security/data/cve/CVE-2023-25752.md) | High | Mozilla Firefox and 4 others: When accessing throttled streams, the count of available bytes needed to be checked in the calling function… | 7.5 | 0.0061 |  |
| [CVE-2023-28177](https://patchblox.com/security/data/cve/CVE-2023-28177.md) | High | Mozilla Firefox and 2 others: Out-of-bounds Write | 8.8 | 0.0055 |  |
| [CVE-2023-28164](https://patchblox.com/security/data/cve/CVE-2023-28164.md) | High | Mozilla Firefox and 4 others: Origin Validation Error | 7.5 | 0.0035 |  |
| [CVE-2023-28160](https://patchblox.com/security/data/cve/CVE-2023-28160.md) | Routine | Mozilla Firefox and 2 others: Direct Request ('Forced Browsing') | 6.5 | 0.0051 |  |
| [CVE-2023-25750](https://patchblox.com/security/data/cve/CVE-2023-25750.md) | Routine | Mozilla Firefox and 2 others: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | 4.3 | 0.0046 |  |

---

Data as of 2026-11-12T07:53:35Z 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.