High 7.5Published Jul 7, 2017

CVE-2017-1000381The 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…

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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It affects c-ares and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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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.

CVSS: 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-200
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

c-ares c-ares c-ares:c-ares	1.8.0; 1.9.0; 1.9.1; 1.10.0; 1.12.0	NVD
c-ares_project c-ares c-ares_project:c-ares	1.11.0; 1.11.0	NVD
nodejs node.js nodejs:node.js	from 4.0.0 through 4.1.2; from 4.2.0 before 4.8.4; from 5.0.0 through 5.12.0; from 6.0.0 through 6.8.1; from 6.9.0 before 6.11.1; from 7.0.0 before 7.10.1; from 8.0.0 before 8.1.4	NVD

References

References

http://www.securityfocus.com/bid/99148	third-party-advisory, vdb-entry
https://c-ares.haxx.se/0616.patch	mailing-list, vendor-advisory
https://c-ares.haxx.se/adv_20170620.html	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.