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CVE-2025-58066

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Date: August 29, 2025

nptd-rs is a tool for synchronizing your computer's clock, implementing the NTP and NTS protocols. In versions between 1.2.0 and 1.6.1 inclusive servers which allow non-NTS traffic are affected by a denial of service vulnerability, where an attacker can induce a message storm between two NTP servers running ntpd-rs. Client-only configurations are not affected. Affected users are recommended to upgrade to version 1.6.2 as soon as possible.

Severity Score

Severity Score

Weakness Type (CWE)

Insufficient Control of Network Message Volume (Network Amplification)

CWE-406

Top Fix

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Upgrade Version

Upgrade to version ntpd - 1.6.2;https://github.com/pendulum-project/ntpd-rs.git - v1.6.2

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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