CVE-2026-33870

EUVD-2026-16787
Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.132.Final and 4.2.10.Final, Netty incorrectly parses quoted strings in HTTP/1.1 chunked transfer encoding extension values, enabling request smuggling attacks. Versions 4.1.132.Final and 4.2.10.Final fix the issue.
HTTP Request/Response Smuggling
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 47.3%
Affected Products (NVD)
VendorProductVersion
nettynetty
𝑥
< 4.1.132
nettynetty
4.2.0 ≤
𝑥
< 4.2.10
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
Red HatCryostat 4 on RHEL 9
4.2.0-9 ≤
𝑥
< *
ADP
Red HatCryostat 4 on RHEL 9
4.2.0-9 ≤
𝑥
< *
ADP
Red HatCryostat 4 on RHEL 9
4.2.0-9 ≤
𝑥
< *
ADP
Red HatRed Hat AMQ Broker 7.12.7
codec-http ≤
𝑥
< *
ADP
Red HatRed Hat AMQ Broker 7.13.5
codec-http ≤
𝑥
< *
ADP
Red HatRed Hat AMQ Broker 7.14.0
codec-http ≤
𝑥
< *
ADP
Red HatRed Hat Build of Apache Camel 4.14 for Quarkus 3.27
codec-http ≤
𝑥
< *
ADP
Red HatRed Hat build of Apache Camel 4.18.1 for Spring Boot 3.5.14
codec-http ≤
𝑥
< *
ADP
Red HatRed Hat build of Quarkus 3.20.6
codec-http ≤
𝑥
< *
ADP
Red HatRed Hat build of Quarkus 3.27.3
codec-http ≤
𝑥
< *
ADP
Red HatRed Hat Data Grid 8.6.1
codec-http ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1
codec-http ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
0:4.1.132-1.Final_redhat_00001.1.el8eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
0:4.1.132-1.Final_redhat_00001.1.el8eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
0:4.1.132-1.Final_redhat_00001.1.el9eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
0:4.1.132-1.Final_redhat_00001.1.el9eap ≤
𝑥
< *
ADP
Red HatStreams for Apache Kafka 2.9.4
codec-http ≤
𝑥
< *
ADP
Red HatRed Hat OpenShift AI 2.25
1776756834 ≤
𝑥
< *
ADP
Red HatRed Hat OpenShift Dev Spaces 3.27
1776716842 ≤
𝑥
< *
ADP
Red HatRed Hat OpenShift Dev Spaces 3.27
1776717247 ≤
𝑥
< *
ADP
Red HatRed Hat OpenShift Dev Spaces 3.27
1776796445 ≤
𝑥
< *
ADP
Debian logo
Debian Releases
Debian Product
Codename
netty
bookworm
vulnerable
bookworm (security)
vulnerable
bullseye
vulnerable
bullseye (security)
vulnerable
forky
vulnerable
sid
vulnerable
trixie
vulnerable
trixie (security)
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
netty
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
trusty
needs-triage
xenial
ignored
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
netty-tcnative
suse enterprise desktop 15 SP7
2.0.75-150200.3.36.1
fixed
suse enterprise sap 15 SP7
2.0.75-150200.3.36.1
fixed
suse enterprise server 15 SP7
2.0.75-150200.3.36.1
fixed