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The protocol engine in ntp 4.2.6 before 4.2.8p11 allows a remote attackers to cause a denial of service (disruption) by continually sending a packet with a zero-origin timestamp and source IP address of the "other side" of an interleaved association causing the victim ntpd to reset its association.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux | — | Upgrade ntp | May 11, 2018 | Mar 6, 2018 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Mar 6, 2018 |
| Debian | — | Upgrade ntp | Jul 30, 2024 | Mar 6, 2018 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Apr 10, 2018 |
| Freebsd | — | Upgrade ntpUpgrade FreeBSDUpgrade ntp-devel | May 6, 2018 | Feb 28, 2018 |
| Gentoo Linux | — | Upgrade net-misc/ntp. | May 29, 2018 | Mar 6, 2018 |
| Hpux | — | Update NTP to the latest version | Dec 9, 2019 | Mar 6, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade ntpUpgrade ntpdate | Jul 23, 2019 | Mar 6, 2018 |
| Huawei Euleros 2_0_sp3 | — | Upgrade sntpUpgrade ntpUpgrade ntpdate | Sep 25, 2019 | Mar 6, 2018 |
| Huawei Euleros 2_0_sp5 | — | Upgrade ntpdateUpgrade ntpUpgrade sntp | May 1, 2019 | Mar 6, 2018 |
| Ibm Aix | — | Apply the fix or workaround for ntp_advisory10 | Aug 16, 2018 | Mar 6, 2018 |
| Ntp | — | Upgrade NTP to version 4.2.8 | Feb 23, 2023 | Mar 6, 2018 |
| Oracle Solaris | — | Upgrade service/network/ntp to version 4.2.8.11-0.175.3.31.0.4.0 on Solaris 11.3 | Apr 18, 2018 | Mar 6, 2018 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Mar 6, 2018 |
| Suse | — | Upgrade ntpUpgrade ntp-doc | Mar 27, 2018 | Mar 6, 2018 |
| Ubuntu | — | Upgrade ntp | Jul 13, 2018 | Mar 6, 2018 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Mar 6, 2018 |
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