No exploitation reportedFix available

CVE-2017-1000381

Q: Is CVE-2017-1000381 actively exploited?

Active exploitation of CVE-2017-1000381 has not been confirmed. Its EPSS score was 3.3% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2017-1000381?

CVE-2017-1000381 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

No exploitation reported by the sources we read.

Published2017-07-07
Fixed in8.1.4 · 7.10.1 · 6.11.1 · 4.8.4
WeaknessCWE-200

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2017-07-0717:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-1000381?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-1000381?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Node.js

Branch	Affected	Fixed in	Source
8.x	≥ 8.0.0, < 8.1.4	8.1.4	NVD
7.x	≥ 7.0.0, < 7.10.1	7.10.1	NVD
6.x	≥ 6.9.0, < 6.11.1	6.11.1	NVD
4.x	≥ 4.2.0, < 4.8.4	4.8.4	NVD
4.x	≥ 4.0.0, ≤ 4.1.2	no fix published	NVD
5.x	≥ 5.0.0, ≤ 5.12.0	no fix published	NVD
6.x	≥ 6.0.0, ≤ 6.8.1	no fix published	NVD

C-ares

Branch	Affected	Fixed in	Source
1.8	= 1.8.0	no fix published	NVD
1.9	= 1.9.0	no fix published	NVD
1.9	= 1.9.1	no fix published	NVD
1.10	= 1.10.0	no fix published	NVD
1.12	= 1.12.0	no fix published	NVD

C-ares project c-ares

Branch	Affected	Fixed in	Source
1.11	= 1.11.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Node.js to 8.1.4 · 7.10.1 · 6.11.1 · 4.8.4

Advisories and patches

c-ares.haxx.seVendor Advisory
c-ares.haxx.seVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
NVDweakness (CWE)CWE-200read 2026-10-23
FIRST EPSSEPSS score3.3 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: 2017-07-07
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-1000381?

Is CVE-2017-1000381 actively exploited?

Active exploitation of CVE-2017-1000381 has not been confirmed. Its EPSS score was 3.3% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-1000381?

CVE-2017-1000381 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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