at.aimit.mariella:persistence-kotlin (>=1.0.5 <=1.0.8), cloud.piranha.http:piranha-http-netty (>=25.4.0 <=25.5.0) +281 more potentially affected by CVE-2026-33871 via io.netty:netty-codec-http2 (>=4.2.0.Alpha1 <=4.2.0.RC4)

io.netty:netty-codec-http2 MAVEN version =4.2.0.Alpha1, =1.0.5, =25.4.0, =25.4.0, =7.9.0, =0.2.2, =0.2.4 - com.hexagontk.http:httpservernetty =4.1.1 - com.hexagontk.http:httpservernettyepoll =4.1.1 - com.inqwise:inqwise-context =1.0.0 - com.inqwise:inqwise-neo4j-client =1.0.0 and more Source cves...

ai.new-wave:spring-agent-app (>=0.1.0 <=0.3.0), ai.new-wave:spring-agent-core (>=0.1.0 <=0.3.0) +1747 more potentially affected by CVE-2026-33871 via io.netty:netty-codec-http2 (>=4.2.0.Alpha1 <=4.2.10.Final)

io.netty:netty-codec-http2 MAVEN version =4.2.0.Alpha1, =0.1.0, =0.1.0, =0.3.0 - ai.tock:bot-test =26.3.0 - ai.tock:bot-test-base =26.3.0 - ai.tock:bot-toolkit =26.3.0 - ai.tock:bot-toolkit-base =26.3.0 - ai.tock:tock-analytics-chatbase =26.3.0 - ai.tock:tock-aws-tools =26.3.0 -...

ai.agentican:agentican-framework-core (>=0.1.0-alpha.2 <=0.1.0-alpha.4), ai.agentican:agentican-quarkus-deployment (>=0.1.0-alpha.1 <=0.1.0-alpha.4) +19755 more potentially affected by CVE-2026-33871 via io.netty:netty-codec-http2 (>=4.1.0.Beta4 <=4.1.131.Final)

io.netty:netty-codec-http2 MAVEN version =4.1.0.Beta4, =0.1.0-alpha.2, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.3, =0.1.0-alpha.2, =0.1.0, =0.1.0, =0.2.0, =0.2.0, =0.28.0 and more Source cves:...

ai.ancf.lmos-router:benchmarks (>=0.2.0 <=0.28.0), ai.ancf.lmos-router:lmos-router-hybrid (>=0.2.0 <=0.28.0) +17982 more potentially affected by CVE-2025-55163 via io.netty:netty-codec-http2 (>=4.1.0.Beta4 <=4.1.123.Final)

io.netty:netty-codec-http2 MAVEN version =4.1.0.Beta4, =0.2.0, =0.2.0, =0.2.0, =0.2.0, =0.2.0, =0.2.0, =0.1.1, =0.1.1, =0.1.1, =0.0.4, =0.6.0 - ai.ancf.lmos:lmos-router-hybrid =0.1.0 - ai.ancf.lmos:lmos-router-hybrid-spring-boot-starter =0.1.0 - ai.ancf.lmos:lmos-router-llm =0.1.0 -...

Security Bulletin: Netty-codec-http2 is vulnerable to CVE-2023-44487 used in IBM Maximo Application Suite - Monitor Component

Summary IBM Maximo Application Suite - Monitor Component uses netty-codec-http2 which is vulnerable to CVE-2023-44487. This bulletin identifies the steps to take to address the vulnerability. Vulnerability Details CVEID:CVE-2023-44487 DESCRIPTION: Multiple vendors are vulnerable to a denial of...

Important: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.6 security update on RHEL 9

New Red Hat Single Sign-On 7.6.6 packages are now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Important: Red Hat Security Advisory: Red Hat Data Grid 8.4.5 security update

An update for Red Hat Data Grid 8 is now available. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links in the...

io.netty:netty-codec-http2 vulnerable to HTTP/2 Rapid Reset Attack

A client might overload the server by issue frequent RST frames. This can cause a massive amount of load on the remote system and so cause a DDOS attack. Impact This is a DDOS attack, any http2 server is affected and so you should update as soon as possible. Patches This is patched in version...

openSUSE 15 Security Update : netty (SUSE-SU-2022:1315-1)

The remote openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2022:1315-1 advisory. - Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers &...

HTTP Request Smuggling

netty-codec-http2 is vulnerable to HTTP request smuggling. The vulnerability exists through an incomplete fix in CVE-2021-21295 where the content-length header is not properly validated if the request uses a single Http2HeaderFrame, and with endStream set to true...

CVE-2021-21409

The CVE concerns Netty’s HTTP/2 codec (io.netty:netty-codec-http2) where, before version 4.1.61.Final, a Content-Length check can be bypassed when a single Http2HeaderFrame with endStream set to true is used. This enables HTTP request smuggling if the request is proxied and translated to HTTP/1.1...

ai.agentican:agentican-framework-core (>=0.1.0-alpha.2 <=0.1.0-alpha.4), ai.agentican:agentican-quarkus-deployment (>=0.1.0-alpha.1 <=0.1.0-alpha.4) +26778 more potentially affected by CVE-2021-21295 +1 more via io.netty:netty-codec-http2 (>=4.1.0.Beta4 <=4.1.5.Final)

io.netty:netty-codec-http2 MAVEN version =4.1.0.Beta4, =0.1.0-alpha.2, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.3, =0.1.0-alpha.2, =0.1.0, =0.1.0, =0.2.0, =0.2.0, =0.28.0 and more Source cves:...