Use-after-free vulnerability in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to possibly execute arbitrary code or cause a denial of service (crash) via crafted packets.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Cisco Apic | — | Upgrade to the latest version of Cisco APIC to resolve this vulnerability. | May 11, 2026 | Oct 21, 2015 |
| Cisco Ise | — | — | Oct 21, 2025 | Oct 21, 2015 |
| Debian | — | Upgrade ntp | Jul 30, 2024 | Aug 7, 2017 |
| Freebsd | — | Upgrade FreeBSDUpgrade ntp-develUpgrade ntp | Dec 10, 2025 | Oct 21, 2015 |
| Gentoo Linux | — | Upgrade net-misc/ntp. | Oct 30, 2017 | Aug 7, 2017 |
| Ntp | — | Upgrade NTP to version 4.2.8Upgrade NTP to version 4.3.77 | Feb 23, 2023 | Aug 7, 2017 |
| Oracle Solaris | — | Upgrade service/network/ntp to version 4.2.8.6-0.175.3.6.0.1.0 on Solaris 11.3 | May 29, 2017 | May 29, 2017 |
| Suse | — | Upgrade yast2-ntp-clientUpgrade ntp-docUpgrade yast2-ntp-client-devel-docUpgrade ntp | Dec 18, 2015 | Nov 20, 2015 |
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