#VU127482 Input validation error in ntpd-rs
Published: February 28, 2025 / Updated: April 24, 2026
Vulnerability identifier: #VU127482
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
ntpd-rs
ntpd-rs
Software vendor:
Project Pendulum
Project Pendulum
Description
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to improper input validation in the NTS client request buffer handling when including oversized cookies in an NTP request. A remote user can send an oversized cookie to cause a denial of service.
The attempted write does not write memory outside the buffer. Only configured NTS sources can exploit this issue; unconfigured NTP sources and third parties cannot.
Remediation
Install security update from vendor's website.