NTP before 4.2.8p6 and 4.3.0 before 4.3.90 allows a remote attackers to cause a denial of service (stack exhaustion) via an ntpdc relist command, which triggers recursive traversal of the restriction list.
CVSS Details
- CVSS 3.0 Base Score: 7.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux | — | amazon-linux-upgrade-ntp | Sep 19, 2018 | Feb 9, 2016 |
| Cisco Apic | cisco-apic-update-latest | May 11, 2026 | Jan 27, 2016 | |
| Cisco Ise | cisco-ise-upgrade-latest | Oct 21, 2025 | Jan 27, 2016 | |
| Cisco Xe | cisco-xe-upgrade-latest | Jul 30, 2019 | Jan 30, 2017 | |
| Cisco Xr Os | update-xros | May 19, 2021 | Jan 27, 2016 | |
| Debian | debian-upgrade-ntp | Jul 27, 2016 | Feb 9, 2016 | |
| F5 Big Ip | f5-bigip-upgrade-latest | Jun 17, 2026 | Feb 22, 2016 | |
| Freebsd | freebsd-upgrade-package-ntpfreebsd-upgrade-package-ntp-develfreebsd-upgrade-base-10_2-release-p11freebsd-upgrade-base-10_1-release-p28freebsd-upgrade-base-9_3-release-p35 | Dec 10, 2025 | Jan 21, 2016 | |
| Gentoo Linux | gentoo-linux-upgrade-net-misc-ntp | Oct 30, 2017 | Jan 30, 2017 | |
| Huawei Euleros 2_0_sp1 | huawei-euleros-2_0_sp1-upgrade-ntphuawei-euleros-2_0_sp1-upgrade-ntpdate | Nov 30, 2017 | Jan 30, 2017 | |
| Ntp | View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗ | ntp-upgrade-latest | Feb 23, 2023 | Jan 30, 2017 |
| Oracle Solaris | oracle-solaris-11-3-upgrade-service-network-ntp-4-2-8-6-0-175-3-6-0-1-0 | May 29, 2017 | Jan 30, 2017 | |
| Oracle_linux | — | oracle-linux-upgrade-ntporacle-linux-upgrade-ntpdateoracle-linux-upgrade-ntp-docoracle-linux-upgrade-ntp-perloracle-linux-upgrade-sntp | May 12, 2016 | May 12, 2016 |
| Panos | palo-alto-networks-pan-os-upgrade-5-0palo-alto-networks-pan-os-upgrade-5-1palo-alto-networks-pan-os-upgrade-6-0palo-alto-networks-pan-os-upgrade-6-1palo-alto-networks-pan-os-upgrade-7-0palo-alto-networks-pan-os-upgrade-7-1 | Oct 11, 2016 | Feb 9, 2016 | |
| Redhat_linux | — | redhat-upgrade-ntpredhat-upgrade-ntp-debuginforedhat-upgrade-ntp-docredhat-upgrade-ntp-perlredhat-upgrade-ntpdateredhat-upgrade-sntp | Jul 1, 2017 | Feb 9, 2016 |
| Suse | — | suse-upgrade-ntpsuse-upgrade-ntp-docsuse-upgrade-yast2-ntp-clientsuse-upgrade-yast2-ntp-client-devel-doc | Apr 28, 2016 | Feb 9, 2016 |
| Ubuntu | ubuntu-upgrade-ntp | Oct 7, 2016 | Feb 9, 2016 | |
| Vmware Photon_os | vmware-photon_os_update_tdnf | Jan 20, 2025 | Jan 30, 2017 |
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