CVE-2017-6460
No exploitation reported by the sources we read.
- Published2017-03-27
- WeaknessCWE-119
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « 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
Stack-based buffer overflow in the reslist function in ntpq in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote servers have unspecified impact via a long flagstr variable in a restriction list response.
Timeline
dates in UTC- 2017-03-2717:59CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-6460?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-6460?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 4.2 | = 4.2.8 | no fix published | NVD |
| 4.3 | = 4.3.0 | no fix published | NVD |
| 4.3 | = 4.3.1 | no fix published | NVD |
| 4.3 | = 4.3.2 | no fix published | NVD |
| 4.3 | = 4.3.3 | no fix published | NVD |
| 4.3 | = 4.3.4 | no fix published | NVD |
| 4.3 | = 4.3.5 | no fix published | NVD |
| 4.3 | = 4.3.6 | no fix published | NVD |
| 4.3 | = 4.3.7 | no fix published | NVD |
| 4.3 | = 4.3.8 | no fix published | NVD |
| 4.3 | = 4.3.9 | no fix published | NVD |
| 4.3 | = 4.3.10 | no fix published | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
Advisories and patches
- support.ntp.orgPatch · Vendor Advisory
- support.ntp.orgVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
- NVDCVSS 3.08.8read 2026-10-23
- NVDCVSS 2.06.5read 2026-10-23
- NVDweakness (CWE)CWE-119read 2026-10-23
- FIRST EPSSEPSS score2.7 %2026-10-23
Technical details
- CVSS v3 Vector
- CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published
- 2017-03-27
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2017-6460?
Is CVE-2017-6460 actively exploited?
What is the CVSS score for CVE-2017-6460?
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