Allocation of Resources Without Limits or Throttling

Overview io.netty:netty-codec-http2 is a HTTP2 sub package for the netty library, an event-driven asynchronous network application framework. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the verifyContinuationFrame function. An...

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:...

GHSA-W9FJ-CFPG-GRVV Netty HTTP/2 CONTINUATION Frame Flood DoS via Zero-Byte Frame Bypass

Summary A remote user can trigger a Denial of Service DoS against a Netty HTTP/2 server by sending a flood of CONTINUATION frames. The server's lack of a limit on the number of CONTINUATION frames, combined with a bypass of existing size-based mitigations using zero-byte frames, allows an user to...

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:...

Netty HTTP/2 CONTINUATION Frame Flood DoS via Zero-Byte Frame Bypass

Summary A remote user can trigger a Denial of Service DoS against a Netty HTTP/2 server by sending a flood of CONTINUATION frames. The server's lack of a limit on the number of CONTINUATION frames, combined with a bypass of existing size-based mitigations using zero-byte frames, allows an user to...

GHSA-PWQR-WMGM-9RR8 Netty: HTTP Request Smuggling via Chunked Extension Quoted-String Parsing

Summary Netty incorrectly parses quoted strings in HTTP/1.1 chunked transfer encoding extension values, enabling request smuggling attacks. Background This vulnerability is a new variant discovered during research into the "Funky Chunks" HTTP request smuggling techniques: - - The original researc...

ai.new-wave:spring-agent-app (>=0.1.0 <=0.3.0), ai.new-wave:spring-agent-core (>=0.1.0 <=0.3.0) +2093 more potentially affected by CVE-2026-33870 via io.netty:netty-codec-http (>=4.2.0.Alpha1 <=4.2.11.Final)

io.netty:netty-codec-http 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 -...

at.aimit.mariella:persistence-kotlin (>=1.0.5 <=1.0.8), cloud.piranha.http:piranha-http-netty (>=25.4.0 <=25.5.0) +341 more potentially affected by CVE-2026-33870 via io.netty:netty-codec-http (>=4.2.0.Alpha1 <=4.2.0.RC4)

io.netty:netty-codec-http MAVEN version =4.2.0.Alpha1, =1.0.5, =25.4.0, =25.4.0, =7.9.0, =18.0.0, =18.0.0, =18.0.0, =10.0.8, =3.8.0-RC1, =3.8.0-beta5 and more Source cves: CVE-2026-33870 Source advisory: OSV:GHSA-PWQR-WMGM-9RR8...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling in the parsing of quoted strings within chunked transfer encoding extension values. An attacker can inject arbitrary HTTP requests into a connection by crafting chunk extensions containing carriage return or line...

Netty: HTTP Request Smuggling via Chunked Extension Quoted-String Parsing

Summary Netty incorrectly parses quoted strings in HTTP/1.1 chunked transfer encoding extension values, enabling request smuggling attacks. Background This vulnerability is a new variant discovered during research into the "Funky Chunks" HTTP request smuggling techniques: - - The original researc...

HTTP Request Smuggling

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to HTTP Request Smuggling in the parsing of quoted strings within chunked transfer encoding...

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) +23656 more potentially affected by CVE-2026-33870 via io.netty:netty-codec-http (>=4.0.0.Alpha1 <=4.1.131.Final)

io.netty:netty-codec-http MAVEN version =4.0.0.Alpha1, =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.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) +23656 more potentially affected by CVE-2026-33870 via io.netty:netty-codec-http (>=4.0.0.Alpha1 <=4.1.131.Final)

io.netty:netty-codec-http MAVEN version =4.0.0.Alpha1, =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:...

Security Bulletin: IBM DevOps Build addresses multiple vulnerabilities.

Summary IBM DevOps Build 7.1.0.3 addresses multiple vulnerabilities. Vulnerability Details CVEID:CVE-2025-67735 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.129.Final and 4.2.8.Final, the io.netty.handler.codec.http.HttpRequestEncoder...

Security Bulletin: Vulnerabilities in Netty affects IBM watsonx Orchestrate with watsonx Assistant Cartridge

Summary Potential vulnerability in Netty has been identified that affects IBM watsonx Orchestrate with watsonx Assistant Cartridge - UAB Component. The vulnerability has been addressed. Refer to details for additional information. Vulnerability Details CVEID:CVE-2025-67735 DESCRIPTION: Netty is a...

Security Bulletin: IBM Datapower Operations Dashboard is vulnerable to HTTP Request Smuggling CVE-2025-58056

Summary Netty is used by the IBM Datapower Operations Dashboard in their network implementation Vulnerability Details CVEID:CVE-2025-58056 DESCRIPTION: Netty is an asynchronous event-driven network application framework for development of maintainable high performance protocol servers and clients...

Security Bulletin: IBM SPSS Analytic Server is affected by CRLF injection vulnerability in Netty Codec (CVE-2025-67735)

Summary IBM SPSS Analytic Server is affected by CRLF injection vulnerability in Netty Codec CVE-2025-67735. This has been addressed in the remediation section. Vulnerability Details CVEID:CVE-2025-67735 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. In versions...

netty: netty-codec-http2: Netty MadeYouReset HTTP/2 DDoS Vulnerability

A flaw was found in Netty where malformed client requests can trigger server-side stream resets without triggering abuse counters. This issue, referred to as the "MadeYouReset" attack, allows malicious clients to induce excessive server workload by repeatedly causing server-side stream aborts...