# CVE-2017-1000381: Node.js 4 and 2 others: The c-ares function `ares_parse_naptr_reply()`, which is used for parsing NAPTR responses, could be triggered…

CVE-2017-1000381 is fixed in 2 products on 1 platform, first by Node.js 6 6.11.1, released July 10, 2017. 1 other affected product has no fix yet. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2017-1000381
- Priority: High
- CVSS: 7.5
- EPSS: 0.0334
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 7, 2017
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-1000381

## Description

The c-ares function `ares_parse_naptr_reply()`, which is used for parsing NAPTR responses, could be triggered to read memory outside of the given input buffer if the passed in DNS response packet was crafted in a particular way.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Node.js 4 | 4.8.6 | [Node.js 4 4.8.6](https://patchblox.com/security/data/fix/windows-app/openjs.nodejs.4-4.8.6.md) | Nov 6, 2017 |
| Windows apps | Node.js 6 | 6.11.1 | [Node.js 6 6.11.1](https://patchblox.com/security/data/fix/windows-app/openjs.nodejs.6-6.11.1.md) | Jul 10, 2017 |

## No fix yet

| Platform | Product | Status |
|---|---|---|
| Windows apps | Node.js 7 | no-fix |

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Data as of 2026-11-07T18:46:35Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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