# Python 3.5 3.5.3

Python 3.5 3.5.3, released January 17, 2017, fixes 2 CVEs in Python 3.5. None of them is reported as exploited. Patch Radar priority: High. The latest Python 3.5 is 3.5.4, which also fixes every one of these CVEs.

- Web page: https://patchblox.com/security/fix/windows-app/python.python.3.5-3.5.3
- Platform: Windows apps
- Released: Jan 17, 2017
- Priority: High (Closes CVE-2016-2183, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Superseded by: [Python 3.5 3.5.4](https://patchblox.com/security/data/product/windows-app/python-3.5.md), the latest version, which also fixes every CVE listed here

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Python 3.5](https://patchblox.com/security/data/product/windows-app/python-3.5.md) |  | 3.5.3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2016-2183](https://patchblox.com/security/data/cve/CVE-2016-2183.md) | High | Node.js 4 and 1 other: Exposure of Sensitive Information to an Unauthorized Actor | 7.5 | 0.9470 |  |
| [CVE-2016-1000110](https://patchblox.com/security/data/cve/CVE-2016-1000110.md) | Routine | Python 3.5: The CGIHandler class in Python before 2.7.12 does not protect against the HTTP_PROXY variable name clash… | 6.1 | 0.0453 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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