# CVE-2016-6306: Node.js 4: The certificate parser in OpenSSL before 1.0.1u and 1.0.2 before 1.0.2i might allow remote attackers…

CVE-2016-6306 is fixed in Node.js 4 on 1 platform by Node.js 4 4.6.0 (version 4.6.0), released September 27, 2016. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2016-6306
- Priority: Routine
- CVSS: 5.9
- EPSS: 0.4168
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 26, 2016
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2016-6306

## Description

The certificate parser in OpenSSL before 1.0.1u and 1.0.2 before 1.0.2i might allow remote attackers to cause a denial of service (out-of-bounds read) via crafted certificate operations, related to s3_clnt.c and s3_srvr.c.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Node.js 4 | 4.6.0 | [Node.js 4 4.6.0](https://patchblox.com/security/data/fix/windows-app/openjs.nodejs.4-4.6.0.md) | Sep 27, 2016 |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo