CLEANSTART-2026-YB51786 flaw was found in Netty's HttpServerCodec

Security vulnerability affects the wildfly package. A flaw was found in Netty's HttpServerCodec...

Denial-Of-Service (DoS)

Netty's HttpServerCodec is vulnerable to denial-of-service DoS. The vulnerability is due to the unbounded growth of the methodOverflowQueue when processing pipelined HTTP/1.1 requests, which allows a remote, unauthenticated attacker to exhaust server memory by withholding reads on a single...

DoS (Denial of Service) io.netty:netty-codec-http Dependency in Crowd Data Center

This High severity DoS Denial of Service vulnerability was introduced in version 7.2.0 of Crowd Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H allows an unauthenticated attacker to expose assets in...

DoS (Denial of Service) io.netty:netty-codec-http Dependency in Bamboo Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 10.2.0, 11.0.0, 12.0.0 and 12.1.0 of Bamboo Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H allows an unauthenticated...

Security Bulletin: IBM DevOps Deploy / IBM UrbanCode Deploy (UCD) is affected by an Allocation of Resources Without Limits or Throttling Vulnerability in Netty (CVE-2026-93491)

Summary Netty is used by IBM DevOps Deploy / IBM UrbanCode Deploy UCD as part of the agent communication system. CVE-2026-93491 Vulnerability Details CVEID:CVE-2026-93491 DESCRIPTION: A flaw was found in Netty's HttpServerCodec. A remote, unauthenticated attacker can exploit this vulnerability by...

io.netty/netty-codec-http: Netty: Denial of Service via unbounded HttpServerCodec HTTP/1.1 pipeline queue

A flaw was found in Netty's HttpServerCodec. A remote, unauthenticated attacker can exploit this vulnerability by pipelining HTTP/1.1 requests on a single connection and withholding reads. This action causes the methodOverflowQueue to grow without limit, leading to unbounded heap memory consumpti...

io.netty/netty-codec-http: Netty: HTTP response desynchronization via HttpServerCodec

A flaw was found in Netty's HttpServerCodec. A remote attacker can exploit this vulnerability to cause HTTP response desynchronization, leading to response splitting and potential information disclosure. By sending pipelined requests with informational headers followed by another request, the...

CLEANSTART-2026-AI69794 flaw was found in Netty's HttpServerCodec

CVE-2026-93491 affects multiple packages. A flaw was found in Netty's HttpServerCodec. See references for individual vulnerability details...

CLEANSTART-2026-FB52227 flaw was found in Netty's HttpServerCodec

Security vulnerability affects the elasticsearch package. A flaw was found in Netty's HttpServerCodec...

SUSE CVE-2026-100666

Netty's HttpServerCodec io.netty:netty-codec-http in versions 4.2.0.Final through 4.2.16.Final and in versions up to and including 4.1.136.Final pairs each outbound response with an inbound request by calling pollMethod once per response, including for 1xx informational responses. If a client...

CVE-2026-100666

A flaw was found in Netty's HttpServerCodec. A remote attacker can exploit this vulnerability to cause HTTP response desynchronization, leading to response splitting and potential information disclosure. By sending pipelined requests with informational headers followed by another request, the...

Linux Distros Unpatched Vulnerability : CVE-2026-100656

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty io.netty:netty-codec-http contains an unbounded per-connection queue growth flaw in HttpServerCodec. The codec tracks the HTTP method of each...

Linux Distros Unpatched Vulnerability : CVE-2026-100666

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty's HttpServerCodec io.netty:netty-codec-http in versions 4.2.0.Final through 4.2.16.Final and in versions up to and including 4.1.136.Final pairs each...

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 isContentAlwaysEmpty method of HttpServerCodec, which calls...

CVE-2026-100666

Netty's HttpServerCodec io.netty:netty-codec-http in versions 4.2.0.Final through 4.2.16.Final and in versions up to and including 4.1.136.Final pairs each outbound response with an inbound request by calling pollMethod once per response, including for 1xx informational responses. If a client...

CVE-2026-100656

Rejected reason: This CVE ID has been rejected as a duplicate...

DEBIAN-CVE-2026-100656

Bulletin has no description...

CVE-2026-100666

Netty's HttpServerCodec io.netty:netty-codec-http in versions 4.2.0.Final through 4.2.16.Final and in versions up to and including 4.1.136.Final pairs each outbound response with an inbound request by calling pollMethod once per response, including for 1xx informational responses. If a client...

UBUNTU-CVE-2026-100666

Netty's HttpServerCodec io.netty:netty-codec-http in versions 4.2.0.Final through 4.2.16.Final and in versions up to and including 4.1.136.Final pairs each outbound response with an inbound request by calling pollMethod once per response, including for 1xx informational responses. If a client...

CVE-2026-100666

The io.netty:netty-codec-http component in Netty's HttpServerCodec is vulnerable in versions 4.2.0.Final through 4.2.16.Final and up to 4.1.136.Final . The root cause is that the codec pairs outbound responses with inbound requests by calling pollMethod() once per response, including 1xx informat...