cvedb.io
CVE-2025-55163
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2025-08-13T15:15:39.390 · Last modified 2026-06-17T09:41:23.033

Summary

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.124.Final and 4.2.4.Final, Netty is vulnerable to MadeYouReset DDoS. This is a logical vulnerability in the HTTP/2 protocol, that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit - which results in resource exhaustion and distributed denial of service. This issue has been patched in versions 4.1.124.Final and 4.2.4.Final.

Affected products

netty — netty

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.