# ntpd NTS client denial of service via wrongly sized cookies

Source: https://junglewise.ai/threats/ntpd-nts-client-denial-of-service-via-wrongly-sized-cookies-5cbdf365  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-02-28  
License: CC BY 4.0 with a link back

Severity: medium · CVSS 4 · Published 2025-02-28

ntpd NTS client denial of service via wrongly sized cookies

Technologies: [ntpd (crates.io)](https://junglewise.ai/threats/technologies/crates-io-ntpd). Vendors: [crates.io](https://junglewise.ai/threats/vendors/crates-io).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Medium severity, with a CVSS score of 4, published 28 February 2025.

**Which products and versions are affected?** ntpd (crates.io) SEMVER:introduced=0,fixed=1.5.0.

**Is there a fix for This vulnerability?** Yes. ntpd (crates.io): upgrade to 1.5.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run ntpd (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- ntpd (crates.io): upgrade to 1.5.0 or later

  ```sh
  cargo update -p ntpd
  ```


## Affected products

- ntpd (crates.io) SEMVER:introduced=0,fixed=1.5.0

## Related threats

- [Unlimited number of NTS-KE connections can crash ntpd-rs server](https://junglewise.ai/threats/cve-2024-38528-unlimited-number-of-nts-ke-connections-can-crash-ntpd-rs-server)
- [ntpd has Dependency on Vulnerable Third-Party Component](https://junglewise.ai/threats/ntpd-has-dependency-on-vulnerable-third-party-component-8e62beb1)
- [Improper handling of NTS cookie length that could crash the ntpd-rs server](https://junglewise.ai/threats/cve-2023-33192-improper-handling-of-nts-cookie-length-that-could-crash-the-ntpd)