SUSE CVE-2026-55851

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final up to but not including 4.2.16.Final, and 4.1.0.Final up to but not including 4.1.135, the HAProxyMessageDecoder in Netty's codec-haproxy module performs protocol version detection by...

SUSE CVE-2026-56745

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, the SpdyHttpDecoder handler in Netty's SPDY-to-HTTP codec allocates a pooled ByteBuf when processing a client-initiated...

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-2026-56816

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 for HTTP/3 reserved frame types up to the wire-specified payload length without limits; decodeFrame trusts payLoadLength, allowing an...

SUSE CVE-2026-56817

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, any caller that can deliver bytes to a Netty channel pipeline containing XmlDecoder can send XML with a DOCTYPE declaration...

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...

SUSE 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...

Improper Certificate Validation

Overview io.netty:netty-handler-ssl-ocsp is a Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. Affected versions of this package are vulnerable to Improper Certificate Validation in the...

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...

CLEANSTART-2026-FV79231 Netty is a network application framework for development of protocol servers and clients

Multiple security vulnerabilities affect the s3proxy package. Netty is a network application framework for development of protocol servers and clients. See references for individual vulnerability details...

PT-2026-63549

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.1.136.Final Netty versions prior to 4.2.16.Final Description The Bzip2Decoder handler in the compression codec pipeline is susceptible to a denial-of-service attack. A malformed bzip2 stream can trigger an infinite lo...

PT-2026-63551

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.1.136.Final Netty versions prior to 4.2.16.Final Description Netty's STOMP encoder StompSubframeEncoder fails to escape or validate header values in CONNECT and CONNECTED frames. This occurs because the encoder...

PT-2026-63548

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.1.136.Final Netty versions prior to 4.2.16.Final Description The HTTP/2-to-HTTP/1.x translation layer, specifically within Http2StreamFrameToHttpObjectCodec and InboundHttp2ToHttpAdapter, fails to deduplicate or...

The decoder of the SpdyFrameCodec framework for developing network applications, servers, and clients uses the Netty protocol. This vulnerability allows attackers to cause a service failure.

The vulnerability of the SpdyFrameCodec decoder in the networking application development framework, related to servers and clients using the Netty protocol, involves an uncontrolled resource consumption. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

The vulnerability affects the classes HAProxyMessage and HAProxyMessageEncoder of the Netty framework, which is used for developing network applications, servers, and client protocols. This vulnerability allows an attacker to replace the original data with malicious content.

The vulnerability of the HAProxyMessage and HAProxyMessageEncoder classes in the Netty framework for developing network applications, servers, and clients is related to the failure to handle CRLF sequences properly. Exploiting this vulnerability can allow an attacker to replace legitimate data wi...

PT-2026-63552

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.1.136.Final Netty versions prior to 4.2.16.Final Description Netty's HttpPostRequestEncoder constructs multipart HTTP request bodies by directly concatenating user-supplied filenames and field names into...

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...

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 HAProxyMessageDecoder. An attacker can cause unbounded memory allocation by sending a specially crafted PROXY protocol v2 binary prefix with a version byte of 0xFF, which...

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...