CVE-2017-1000381

Name: CVE-2017-1000381
Creator: NVD / NIST
Published: 2017-07-07T17:29:00.307+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.31%

Last modified Jun 17, 2026

CVE-2017-1000381 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 3.31% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

3.31%

87.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
C-Ares	C-Ares	1.8.0
C-Ares	C-Ares	1.9.0
C-Ares	C-Ares	1.9.1
C-Ares	C-Ares	1.10.0
C-Ares	C-Ares	1.12.0
C-Ares Project	C-Ares	1.11.0
Nodejs	Node.Js	>= 4.0.0, <= 4.1.2
Nodejs	Node.Js	>= 4.2.0, < 4.8.4
Nodejs	Node.Js	>= 5.0.0, <= 5.12.0
Nodejs	Node.Js	>= 6.0.0, <= 6.8.1
Nodejs	Node.Js	>= 6.9.0, < 6.11.1
Nodejs	Node.Js	>= 7.0.0, < 7.10.1
Nodejs	Node.Js	>= 8.0.0, < 8.1.4

References

http://www.securityfocus.com/bid/99148Third Party Advisory, VDB Entry
https://c-ares.haxx.se/0616.patchMailing List, Vendor Advisory
https://c-ares.haxx.se/adv_20170620.htmlVendor Advisory
http://www.securityfocus.com/bid/99148Third Party Advisory, VDB Entry
https://c-ares.haxx.se/0616.patchMailing List, Vendor Advisory
https://c-ares.haxx.se/adv_20170620.htmlVendor Advisory

Timeline

Published: Jul 7, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-1000381?

How severe is CVE-2017-1000381?

CVE-2017-1000381 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.31% probability of exploitation in the next 30 days.

How do I fix CVE-2017-1000381?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-1000381?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST