nptd-rs is a tool for synchronizing your computer's clock, implementing the NTP and NTS protocols. There is a missing limit for accepted NTS-KE connections. This allows an unauthenticated remote attacker to crash ntpd-rs when an NTS-KE server is configured. Non NTS-KE server configurations, such as the default ntpd-rs configuration, are unaffected. This vulnerability has been patched in version 1.1.3.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade rust-ntpd | Jul 27, 2026 | Jul 27, 2026 |
| Suse | — | Upgrade ntpd-rsUpgrade ntpd-rs-common | Dec 5, 2025 | Sep 11, 2024 |
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