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CVE-2016-9311

Medium (5.9)—
Patch with priorityFIRST estimates a 11% chance of exploitation in the next 30 days. No confirmed active exploitation.
Vendor advisory· nwtime.org/ntp428p9_release
Severity5.9Medium · CVSS 3.0
Exploitation probability11 %higher than 96% of CVEs · score from Nov 8, 2026
Active exploitationNonot in the CISA catalog · checked Nov 9, 12:00 AM
Public exploitNot knownno public code found

ntpd in NTP before 4.2.8p9, when the trap service is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted packet.

Timeline

Built from our own data: NVD, CISA KEV, FIRST EPSS, public exploits, specialised media and Orbitaley coverage.

  1. CVE record published in NVD
  2. Record last modified in NVD

Affected technologies (1)

NTP — NTP

NVD record

NVD status
Modified
Published
Jan 13, 2017
Last modified
Jun 16, 2026
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-476

References

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Raw JSON (NVD)

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{
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