HTTP Request Smuggling

io.netty, netty-codec-http is vulnerable to HTTP Request Smuggling. The vulnerability is due to the WebSocket V07/V08 handshaker accepting a WebSocket upgrade request without requiring the Connection: Upgrade and Upgrade: websocket headers, which allows an attacker to force an unrecognized protoc...

Infinite loop

Overview io.netty:netty-codec is an event-driven asynchronous network application framework. Affected versions of this package are vulnerable to Infinite loop in the Bzip2Decoder handler's run-length encoding state machine. An attacker can cause the event-loop thread to hang indefinitely by...

Infinite loop

Overview Affected versions of this package are vulnerable to Infinite loop in the Bzip2Decoder handler's run-length encoding state machine. An attacker can cause the event-loop thread to hang indefinitely by supplying a specially crafted bzip2 stream that triggers an infinite loop during...

Allocation of Resources Without Limits or Throttling

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 Allocation of Resources Without Limits or Throttling in the SpdyHttpDecoder. An attacker can...

Incorrect Authorization

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 Incorrect Authorization in the CorsHandler. An attacker can gain unauthorized access to...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the Http3FrameCodec. An attacker can exhaust system memory by sending multiple QUIC streams with reserved frames specifying excessively large payload lengths. Remediation Upgrade...

Security Bulletin: Vulnerability in netty-codec-http affects IBM SAN Volume Controller, IBM Spectrum Virtualize and IBM FlashSystem products

Summary A vulnerability in netty-codec-http affects IBM Storage Virtualize products and could cause an integrity impact. CVE-2025-67735. Vulnerability Details CVEID:CVE-2025-67735 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.129.Final...

netty-codec-redis: netty-codec-redis: Denial of Service via crafted Redis payload with deeply nested arrays

A flaw was found in netty-codec-redis. A remote attacker can exploit this vulnerability by sending a specially crafted Redis payload containing deeply nested arrays. This action forces the server to allocate a large number of state objects and collections, leading to memory exhaustion...

netty-codec-redis: netty-codec-redis: Denial of Service via crafted Redis payloads

A flaw was found in netty-codec-redis. A remote attacker can exploit this vulnerability by sending specially crafted Redis payloads across multiple connections without proper termination. This can exhaust the server's direct memory pool, leading to a Denial of Service DoS condition where legitima...

netty-codec-http2: netty-codec-http2: Denial of Service due to resource leak

A flaw was found in netty-codec-http2. A remote attacker could send specially crafted frames that cause a resource leak within the DelegatingDecompressorFrameListener class. This resource leak could lead to an Out Of Memory Error OOME, potentially causing a Denial of Service DoS by taking down th...

The vulnerability of the netty-codec-http module in the framework for developing network applications, servers, and clients using the Netty protocol allows attackers to inject arbitrary HTTP requests.

The vulnerability of the netty-codec-http module in the framework for developing network applications, servers, and clients using the Netty protocol is related to deficiencies in HTTP request processing. Exploiting this vulnerability allows a malicious actor to inject arbitrary HTTP requests...

HTTP Request Smuggling io.netty:netty-codec-http Dependency in Bitbucket Data Center

This High severity io.netty:netty-codec-http Dependency vulnerability was introduced in versions 9.0.1, 9.1.0, 9.2.0, 9.3.0, 9.4.0, 9.5.0, 9.6.0, 10.0.0, 10.1.1, 10.2.0, 10.3.0 of Bitbucket Data Center and Server. This HTTP Request Smuggling vulnerability, with a CVSS Score of 7.5 and a CVSS...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the StompSubframeDecoder process. An attacker can exhaust system memory and cause a server crash by sending a large number of short headers in a single STOMP frame, resulting ...

Security Bulletin: IBM® Db2® is affected by a vulnerability in netty-codec-http-4.1.130.Final.jar (CVE-2026-41417)

Summary IBM® Db2® is affected by a vulnerability in netty-codec-http-4.1.130.Final.jar Vulnerability Details CVEID:CVE-2026-41417 DESCRIPTION: Netty allows request-line validation to be bypassed when a DefaultHttpRequest or DefaultFullHttpRequest is created first and its URI is later changed via...

netty-codec-redis: netty-codec-redis: Denial of Service via crafted Redis payload with deeply nested arrays

A flaw was found in netty-codec-redis. A remote attacker can exploit this vulnerability by sending a specially crafted Redis payload containing deeply nested arrays. This action forces the server to allocate a large number of state objects and collections, leading to memory exhaustion...

netty-codec-http2: netty-codec-http2: Denial of Service due to resource leak

A flaw was found in netty-codec-http2. A remote attacker could send specially crafted frames that cause a resource leak within the DelegatingDecompressorFrameListener class. This resource leak could lead to an Out Of Memory Error OOME, potentially causing a Denial of Service DoS by taking down th...

Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in netty-codec-4.1.129.Final.jar

Summary IBM Watson Discovery Cartridge affected by vulnerability in netty-codec-4.1.129.Final.jar Vulnerability Details CVEID:CVE-2026-42583 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Lz4FrameDecoder allocates a...

ROOT-APP-MAVEN-GHSA-XPW8-RCWV-8F8P GHSA-xpw8-rcwv-8f8p in io.root.io.netty:netty-codec-http2 - Patched by Root

Root has patched GHSA-xpw8-rcwv-8f8p in the io.root.io.netty:netty-codec-http2 package for Root:Maven. Multiple fixed versions available...

netty-codec-http2: netty-codec-http2: Denial of Service due to resource leak

A flaw was found in netty-codec-http2. A remote attacker could send specially crafted frames that cause a resource leak within the DelegatingDecompressorFrameListener class. This resource leak could lead to an Out Of Memory Error OOME, potentially causing a Denial of Service DoS by taking down th...

netty-codec-http2: netty-codec-http2: Denial of Service due to resource leak

A flaw was found in netty-codec-http2. A remote attacker could send specially crafted frames that cause a resource leak within the DelegatingDecompressorFrameListener class. This resource leak could lead to an Out Of Memory Error OOME, potentially causing a Denial of Service DoS by taking down th...