# Mozilla Firefox (en-US) 113.0

Mozilla Firefox (en-US) 113.0, released May 10, 2023, fixes 12 CVEs in Mozilla Firefox (en-US). None of them is reported as exploited. Patch Radar priority: High. 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-113.0
- Platform: Windows apps
- Released: May 10, 2023
- Priority: High (Closes CVE-2023-32214, high severity)
- CVEs: 12, 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- Superseded by: [Mozilla Firefox (en-US) 159.0](https://patchblox.com/security/data/product/windows-app/mozilla-firefox-en-us.md), the latest version, which also fixes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) |  | 113.0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-32214](https://patchblox.com/security/data/cve/CVE-2023-32214.md) | High | Mozilla Firefox and 4 others: Protocol handlers `ms-cxh` and `ms-cxh-full` could have been leveraged to trigger a denial of service. | 7.5 | 0.0092 |  |
| [CVE-2023-32216](https://patchblox.com/security/data/cve/CVE-2023-32216.md) | High | Mozilla Firefox and 2 others: Mozilla developers and community members Ronald Crane, Andrew McCreight, Randell Jesup and the Mozilla… | 9.8 | 0.0078 |  |
| [CVE-2023-32209](https://patchblox.com/security/data/cve/CVE-2023-32209.md) | High | Mozilla Firefox and 2 others: A maliciously crafted favicon could have led to an out of memory crash. | 7.5 | 0.0076 |  |
| [CVE-2023-32213](https://patchblox.com/security/data/cve/CVE-2023-32213.md) | High | Mozilla Firefox and 4 others: When reading a file, an uninitialized value could have been used as read limit. | 8.8 | 0.0075 |  |
| [CVE-2023-32215](https://patchblox.com/security/data/cve/CVE-2023-32215.md) | High | Mozilla Firefox and 4 others: Mozilla developers and community members Gabriele Svelto, Andrew Osmond, Emily McDonough, Sebastian Hengst,… | 8.8 | 0.0075 |  |
| [CVE-2023-32207](https://patchblox.com/security/data/cve/CVE-2023-32207.md) | High | Mozilla Firefox and 4 others: Authentication Bypass by Spoofing | 8.8 | 0.0073 |  |
| [CVE-2023-32206](https://patchblox.com/security/data/cve/CVE-2023-32206.md) | High | Mozilla Firefox and 4 others: An out-of-bound read could have led to a crash in the RLBox Expat driver. | 7.5 | 0.0070 |  |
| [CVE-2023-32205](https://patchblox.com/security/data/cve/CVE-2023-32205.md) | High | Mozilla Firefox and 4 others: In multiple cases browser prompts could have been obscured by popups controlled by content. | 7.5 | 0.0063 |  |
| [CVE-2023-32211](https://patchblox.com/security/data/cve/CVE-2023-32211.md) | Routine | Mozilla Firefox and 4 others: A type checking bug would have led to invalid code being compiled. | 6.5 | 0.0074 |  |
| [CVE-2023-32212](https://patchblox.com/security/data/cve/CVE-2023-32212.md) | Routine | Mozilla Firefox and 4 others: An attacker could have positioned a `datalist` element to obscure the address bar. | 6.1 | 0.0065 |  |
| [CVE-2023-32210](https://patchblox.com/security/data/cve/CVE-2023-32210.md) | Routine | Mozilla Firefox and 2 others: Documents were incorrectly assuming an ordering of principal objects when ensuring we were loading an… | 6.5 | 0.0054 |  |
| [CVE-2023-32208](https://patchblox.com/security/data/cve/CVE-2023-32208.md) | Routine | Mozilla Firefox and 2 others: Service workers could reveal script base URL due to dynamic `import()`. | 5.3 | 0.0052 |  |

---

Data as of 2026-11-09T01:18:40Z 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.
