Advisory Database
  • Advisories
  • Dependency Scanning
  1. maven
  2. ›
  3. io.netty/netty-codec-http2
  4. ›
  5. CVE-2025-55163

CVE-2025-55163: Netty affected by MadeYouReset HTTP/2 DDoS vulnerability

August 13, 2025 (updated November 5, 2025)

The MadeYouReset DDoS vulnerability 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.

References

  • github.com/advisories/GHSA-prj3-ccx8-p6x4
  • github.com/grpc/grpc-java/commit/6462ef9a11980e168c21d90bbc7245c728fd1a7a
  • github.com/netty/netty
  • github.com/netty/netty/commit/be53dc3c9acd9af2e20d0c3c07cd77115a594cf1
  • github.com/netty/netty/security/advisories/GHSA-prj3-ccx8-p6x4
  • nvd.nist.gov/vuln/detail/CVE-2025-55163
  • www.kb.cert.org/vuls/id/767506

Code Behaviors & Features

Detect and mitigate CVE-2025-55163 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions starting from 4.2.0.Alpha1 before 4.2.4.Final, all versions before 4.1.124.Final

Fixed versions

  • 4.2.4.Final
  • 4.1.124.Final

Solution

Upgrade to versions 4.1.124.Final, 4.2.4.Final or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-770: Allocation of Resources Without Limits or Throttling

Source file

maven/io.netty/netty-codec-http2/CVE-2025-55163.yml

Spotted a mistake? Edit the file on GitLab.

  • Site Repo
  • About GitLab
  • Terms
  • Privacy Statement
  • Contact

Page generated Sun, 08 Nov 2026 00:16:21 +0000.