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CVE-2025-55163

Netty MadeYouReset HTTP/2 DDoS Vulnerability

Published: Aug 13, 2025Updated: Nov 4, 2025 Sources: CVE List NVD GHSA BDUCWE-770
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.9%
Top 43.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Netty affected by MadeYouReset HTTP/2 DDoS vulnerability

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-770

Affected Products

io.netty:netty-codec-http2MavenOSS Libraries
io.grpc:grpc-netty-shadedMavenOSS Libraries
nettynetty
LibraryLibrary
OSS Libraries / generic-library
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
nettyApache Software Foundation
On-premLibrary
OSS Libraries / generic-library
mavenpackage-ecosystemOSS Libraries
nettyoss-projectOSS Librariesaka io.netty:netty, netty-incubator-codec-ohttp
ооо «ред софт»commercialRUOperating Systemsaka red soft
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://github.com/netty/netty/security/advisories/GHSA-prj3-ccx8-p6x4
github.com
https://nvd.nist.gov/vuln/detail/CVE-2025-55163
nvd.nist.gov
https://github.com/grpc/grpc-java/commit/6462ef9a11980e168c21d90bbc7245c728fd1a7a
github.com
and 6 more references View all →

Timeline

Published
Aug 13, 2025
Last Updated
Nov 4, 2025

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