# CVE-2015-8027: Node.js 4: Node.js 0.12.x before 0.12.9, 4.x before 4.2.3, and 5.x before 5.1.1 does not ensure the availability…

CVE-2015-8027 is fixed in Node.js 4 on 1 platform by Node.js 4 4.2.3 (version 4.2.3), released December 3, 2015. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2015-8027
- Priority: High
- CVSS: 7.5
- EPSS: 0.0536
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 2, 2016
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2015-8027

## Description

Node.js 0.12.x before 0.12.9, 4.x before 4.2.3, and 5.x before 5.1.1 does not ensure the availability of a parser for each HTTP socket, which allows remote attackers to cause a denial of service (uncaughtException and service outage) via a pipelined HTTP request.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Node.js 4 | 4.2.3 | [Node.js 4 4.2.3](https://patchblox.com/security/data/fix/windows-app/openjs.nodejs.4-4.2.3.md) | Dec 3, 2015 |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo