CVE-2026-44891

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, and the maxLineLength parameter only...

CVE-2026-44891 Netty: Denial of Service via Unbounded Headers in StompSubframeDecoder

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, and the maxLineLength parameter only...

EUVD-2026-45316

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, and the maxLineLength parameter only...

CVE-2026-44891 Netty: Denial of Service via Unbounded Headers in StompSubframeDecoder

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, and the maxLineLength parameter only...

CVE-2026-44891

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, and the maxLineLength parameter only...

CVE-2026-44891 Netty: Denial of Service via Unbounded Headers in StompSubframeDecoder

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, and the maxLineLength parameter only...

K000162299: Reactor Netty vulnerability CVE-2026-41715

Security Advisory Description In specific scenarios involving HTTP redirects from a secure to an insecure endpoint, the Reactor Netty HTTP client may leak credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects. Affected versions: Reactor...

Security Bulletin: IBM Sterling Connect:Direct Web Services is vulnerable to bypass IPv6 subnet rules due to an incorrect masking.

Summary netty-handler-4.2.13.Final.jar is used by IBM Sterling Connect:Direct Web Services CVE-2026-44249. Vulnerability Details CVEID:CVE-2026-44249 DESCRIPTION: Netty is a network application framework for development of protocol servers and clients. In netty-handler prior to versions...

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...

The vulnerability of the decompression mechanism used by frameworks for developing network applications, servers, and client protocols via Netty allows a hacker to induce a service failure.

The vulnerability of the decompression mechanism used by frameworks for developing network applications, servers, and protocol clients related to Netty involves an uncontrolled consumption of resources. Exploiting this vulnerability can allow a malicious actor to cause service interruptions...

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...

DoS (Denial of Service) with Netty Dependency in Bitbucket Data Center

This High severity DoS Denial of Service 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, and 10.3.0 of Bitbucket Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 8.7 and a CVSS Vector of...

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...

DoS (Denial of Service) netty-codec-http2 Dependency in Bitbucket Data Center

This High severity DoS Denial of Service 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, and 10.3.0 of Bitbucket Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of...

The vulnerability of the HttpClientCodec component in the networking application development framework allows attackers to compromise the integrity and accessibility of protected information, using Netty protocols.

The vulnerability of the HttpClientCodec component in the networking application development framework, used by servers and clients that utilize the Netty protocol, is related to deficiencies in HTTP request processing. Exploiting this vulnerability allows a malicious actor to compromise the...

The vulnerability of the `io.netty.handler.codec.http3.QpackDecoder` component in the Netty framework, which is used for developing network applications, servers, and clients. This vulnerability allows a attacker to cause a service failure.

The vulnerability of the io.netty.handler.codec.http3.QpackDecoder component in the Netty framework, which is used for developing network applications, servers, and clients, involves an uncontrolled resource consumption. Exploiting this vulnerability could allow a malicious actor to cause service...

CVE-2026-44891

creationtimestamp| type| source ---|---|--- 2026-07-14 22:35:11+00:00| published-proof-of-concept| https://github.com/netty/netty/security/advisories/GHSA-vhch-2wf3-m8rp 2026-07-18 09:00:41+00:00| seen| https://bsky.app/profile/thehackerwire.bsky.social/post/3mqvvo6d5ep2j...

GHSA-VHCH-2WF3-M8RP Netty: Denial of Service via Unbounded Headers in StompSubframeDecoder

Summary The StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, allowing an attacker to cause an OutOfMemoryError, leading to a Denial of Service. Details io.netty.handler.codec.stomp.StompSubframeDecoder implements the STOMP protocol. The...

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 DevOps Deploy / IBM UrbanCode Deploy (UCD) is affected by a HTTP Request Smuggling Vulnerability in Netty (CVE-2026-33870)

Summary Netty is used by IBM DevOps Deploy / IBM UrbanCode Deploy UCD as part of the Server/Agent/Relay communication system. CVE-2026-33870. Vulnerability Details CVEID:CVE-2026-33870 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. In versions prior to...