Vulnerability Monitor

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CVE-2025-55163

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.

Published

2025-08-13T15:15:39.390

Last Modified

2025-11-04T22:16:30.293

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-770
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application netty netty < 4.1.124 Yes
Application netty netty < 4.2.4 Yes
References