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TI-2016-04280 Aliases CVE-2016-4957GHSA-3mq4-x52h-fcwc

ntpd in NTP before 4.2.8p8 allows remote attackers to cause a denial of service (daemon…

Priority MEDIUM 62CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.

Summary

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.

Why it matters now

EPSS 0.44936 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 14

CPEVersionsRoleVendor
cpe:2.3:a:ntp:ntp:4.2.8:p7:*:*:*:*:*:*4.2.8 p7VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.3.92:*:*:*:*:*:*:*4.3.92VulnerableNTP Project
cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*10VulnerableOracle
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*11.3VulnerableOracle
cpe:2.3:a:suse:manager_proxy:2.1:*:*:*:*:*:*:*2.1VulnerableSUSE
cpe:2.3:a:suse:openstack_cloud:5:*:*:*:*:*:*:*5VulnerableSUSE
cpe:2.3:o:novell:suse_manager:2.1:*:*:*:*:*:*:*2.1VulnerableNovell
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*42.1VulnerableopenSUSE
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*13.2VulnerableopenSUSE
cpe:2.3:o:suse:linux_enterprise_desktop:12:sp1:*:*:*:*:*:*12 sp1VulnerableSUSE
  • cpe:2.3:a:ntp:ntp:4.2.8:p7:*:*:*:*:*:* Versions 4.2.8 p7 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.3.92:*:*:*:*:*:*:* Versions 4.3.92 Vulnerable ·NTP Project
  • cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:* Versions 10 Vulnerable ·Oracle
  • cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* Versions 11.3 Vulnerable ·Oracle
  • cpe:2.3:a:suse:manager_proxy:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·SUSE
  • cpe:2.3:a:suse:openstack_cloud:5:*:*:*:*:*:*:* Versions 5 Vulnerable ·SUSE
  • cpe:2.3:o:novell:suse_manager:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Novell
  • cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* Versions 42.1 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Versions 13.2 Vulnerable ·openSUSE
  • cpe:2.3:o:suse:linux_enterprise_desktop:12:sp1:*:*:*:*:*:* Versions 12 sp1 Vulnerable ·SUSE
Show 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:ltss:*:*:*11 sp2VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:ltss:*:*:*11 sp3VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:*:*:*:*11 sp4VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:12:sp1:*:*:*:*:*:*12 sp1VulnerableSUSE
  • cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:ltss:*:*:* Versions 11 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:ltss:*:*:* Versions 11 sp3 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:*:*:*:* Versions 11 sp4 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:12:sp1:*:*:*:*:*:* Versions 12 sp1 Vulnerable ·SUSE

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 3 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-4957
  2. 2026-10-03 Alias added: GHSA-3mq4-x52h-fcwc

References

Patch 1

Advisory 11

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences