VULNERABILITY INTELLIGENCE
CVE-2016-4957
CVSS score7.5 HIGH
EPSS probability44.94%
CISA KEVNot currently listed
Published2016-07-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
ntpd in NTP before 4.2.8p8 allows remote attackers to cause a denial of service (daemon crash) via a crypto-NAK packet. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-1547.
Weakness classification
- CWE-476: NULL Pointer Dereference
Primary references
- cve@mitre.org — Issue Tracking, Vendor Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Patch, Vendor Advisory
- cve@mitre.org — Release Notes, Vendor Advisory
- cve@mitre.org — Third Party Advisory, US Government Resource
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Third Party Advisory, VDB Entry
- cve@mitre.org — Third Party Advisory