Public Date:
1686605: CVE-2019-8936 ntp: Crafted null dereference attack in authenticated mode 6 packet

The MITRE CVE dictionary describes this issue as:

NTP through 4.2.8p12 has a NULL Pointer Dereference.

Find out more about CVE-2019-8936 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the versions of ntp as shipped with Red Hat Enterprise Linux 5, 6, and 7.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 5.3
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Virtualization 4 redhat-virtualization-host Not affected
Red Hat Enterprise Linux 7 ntp Not affected
Red Hat Enterprise Linux 6 ntp Not affected
Red Hat Enterprise Linux 5 ntp Not affected
Last Modified

CVE description copyright © 2017, The MITRE Corporation