CVE-2026-59920

Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.136.Final and 4.2.16.Final, Netty's STOMP encoder StompSubframeEncoder does not escape or validate header values in CONNECT and CONNECTED frames, so raw newline \n characters in a header value are...

CVE-2026-59920 Netty: STOMP CONNECT Frame Header Injection

Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.136.Final and 4.2.16.Final, Netty's STOMP encoder StompSubframeEncoder does not escape or validate header values in CONNECT and CONNECTED frames, so raw newline \n characters in a header value are...

DEBIAN-CVE-2026-56821

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, the OcspServerCertificateValidator flags an out-of-date OCSP response but does not stop processing it, so an expired GOOD response is still reported as VALID, letting an on-path...

Linux Distros Unpatched Vulnerability : CVE-2026-56821

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, the OcspServerCertificateValidator flags...

Linux Distros Unpatched Vulnerability : CVE-2026-56822

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, the OcspServerCertificateValidator...

Linux Distros Unpatched Vulnerability : CVE-2026-59921

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, HttpPostRequestEncoder constructs...

Linux Distros Unpatched Vulnerability : CVE-2026-59901

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, the Bzip2Decoder handler in Netty's...

Linux Distros Unpatched Vulnerability : CVE-2026-59920

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.136.Final and 4.2.16.Final, Netty's STOMP encoder...

Linux Distros Unpatched Vulnerability : CVE-2026-59899

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, HttpContentEncoder the superclass of the...

CVE-2026-56822 Netty: TOCTOU in OcspServerCertificateValidator

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, the OcspServerCertificateValidator forwards the SslHandshakeCompletionEvent before the asynchronous OCSP validation completes. This allows the client's downstream handlers to se...

CVE-2026-44891

A flaw was found in Netty, a network application framework, specifically within the StompSubframeDecoder component. This vulnerability allows a remote attacker to cause a denial of service DoS by sending a large number of small headers. The decoder fails to properly limit the total number or...

Linux Distros Unpatched Vulnerability : CVE-2026-56816

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is a network application framework for development of protocol servers and clients. Prior to 4.2.16.Final, Netty's Http3FrameCodec buffers incoming data f...

Linux Distros Unpatched Vulnerability : CVE-2026-56746

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is a network application framework for development of protocol servers and clients. Versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through...

Linux Distros Unpatched Vulnerability : CVE-2026-56819

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through...

CRLF Injection

Overview Affected versions of this package are vulnerable to CRLF Injection via the encodeV1. An attacker can inject arbitrary CRLF sequences into AFUNIX addresses by supplying specially crafted input, resulting in the creation of multiple PROXY protocol header lines. This can lead to client IP...

SUSE CVE-2026-56746

Netty is a network application framework for development of protocol servers and clients. Versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, are vulnerable to security control bypass during the origin evaluation process. CorsHandler provides a shortCircuit...

SUSE CVE-2026-56819

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, a remote unauthenticated peer can leak one direct ByteBuf per HTTP/2 DATA frame in applications that enable HTTP/2 content...

Security Bulletin: IBM Sterling Connect:Direct Web Services is Affected by Multiple Vulnerabilities.

Summary netty-handler-4.2.13.Final.jar is used by IBM Sterling Connect:Direct Web Services CVE-2026-44249, CVE-2026-45416. 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...

Security Bulletin: IBM Sterling Connect:Direct Web Services is vulnerable to Improper Verification of Cryptographic Signature.

Summary netty-handler-4.2.13.Final.jar is used by IBM Sterling Connect:Direct Web Services CVE-2026-50010. Vulnerability Details CVEID:CVE-2026-50010 DESCRIPTION: Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and...

UBUNTU-CVE-2026-56820

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and prior to 4.1.135.Final, OcspClient does not validate that the CertificateID in an OCSP response matches the requested CertificateID, which can lead to replay...