Denial Of Service (DoS)

Netty is vulnerable to Denial of Service DoS. The vulnerability is due to RedisArrayAggregator pre-allocating an ArrayList based on an untrusted RESP array element count from the network, which allows an attacker to trigger excessive memory allocation and exhaust system resources by sending a...

HTTP Request Smuggling

Netty is vulnerable to HTTP Request Smuggling. The vulnerability is due to HttpObjectDecoder improperly ignoring non-CRLF control characters before the request line, which allows an attacker to create request-boundary confusion between front-end and back-end components and potentially smuggle...

Security Bulletin: DataStage on Cloud Pak for Data has several vulnerabilities due to open source software

Summary Open source packages are used as part of the overall processing in DataStage on Cloud Pak for Data. Vulnerability Details CVEID:CVE-2025-67735 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.129.Final and 4.2.8.Final, the...

Security Bulletin: IBM SPSS Modeler is affected by vulnerabilities in Netty

Summary IBM SPSS Modeler is affected by vulnerabilities in Netty. This has been addressed in the remediation section. Vulnerability Details CVEID:CVE-2024-47535 DESCRIPTION: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance...

Security Bulletin: Security Vulnerabilities affect IBM Voice Gateway

Summary Security Vulnerabilities affect IBM Voice Gateway. The vulnerabilities have been addressed. Vulnerability Details CVEID:CVE-2026-42579 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's DNS codec does not...

Denial Of Service (DoS)

Netty is vulnerable to Denial of Service DoS. The vulnerability is due to improper handling of HTTP/2 SETTINGSMAXHEADERLISTSIZE values, which allows an attacker to trigger repeated request processing and response-header generation failures, leading to resource exhaustion similar to an HTTP/2 Rapi...

SUSE CVE-2026-44893

Netty is a network application framework for development of protocol servers and clients. In netty-codec-haproxy prior to versions 4.1.135.Final and 4.2.15.Final, when decoding a PP2TYPESSL TLV, HAProxyMessage.readNextTLV first calls header.retainedSliceheader.readerIndex, length and only then...

SUSE CVE-2026-45416

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SslClientHelloHandler.decode reads the 24-bit TLS handshake length and, when the ClientHello does not fit in the first record, eagerly allocates...

SUSE CVE-2026-45536

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, nettyunixsocketrecvFd sets msgcontrol to char controlCMSGSPACEsizeofint line 940 - 24 bytes on 64-bit Linux. A peer-sent SCMRIGHTS cmsg carrying two ints has...

SUSE CVE-2026-45673

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DNS resolver uses a predictable PRNG for generating DNS transaction IDs and defaults to a static UDP source port. This combination reduces the entrop...

SUSE CVE-2026-45674

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DnsResolveContext fails to validate the origin bailiwick of CNAME records in DNS responses. Versions 4.1.135.Final and 4.2.15.Final patch the issue...

SUSE CVE-2026-46340

Netty is a network application framework for development of protocol servers and clients. In versions of netty-transport-sctp prior to 4.1.135.Final and 4.2.15.Final, for each non-complete SctpMessage fragment the handler does fragments.putstreamId, Unpooled.wrappedBufferfrag, byteBuf, wrapping t...

SUSE CVE-2026-47244

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, DefaultHttp2Connection.DefaultEndpoint initialises maxActiveStreams/maxStreams to Integer.MAXVALUE, and Http2Settings never inserts...

SUSE CVE-2026-47691

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DnsResolveContext insufficiently validates the bailiwick of NS records, enabling DNS Cache Poisoning. An attacker controlling an authoritative name...

SUSE CVE-2026-48006

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, the RedisArrayAggregator handler permanently leaks pooled direct-memory buffers when a Redis pipeline connection closes before a RESP array aggregate...

SUSE CVE-2026-48043

Netty is a network application framework for development of protocol servers and clients. In netty-codec-http2 prior to versions 4.1.135.Final and 4.2.15.Final, the DelegatingDecompressorFrameListener class orchestrates HTTP/2 decompression by embedding a per-stream EmbeddedChannel that runs the...

SUSE CVE-2026-48059

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, the HAProxy PROXY protocol v2 codec in netty leaks native or heap memory on every connection when a client sends a syntactically valid header containing nest...

SUSE CVE-2026-50010

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SimpleTrustManagerFactory.engineGetTrustManagers and related paths wrap any user-supplied plain X509TrustManager in X509TrustManagerWrapper, which extends...

SUSE CVE-2026-50011

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, RedisArrayAggregator pre-allocates ArrayList with initial capacity equal to the RESP array element count declared in an array header. That count is taken fro...

SUSE CVE-2026-50560

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty HTTP/2 max header size handling produces an attack similar to HTTP/2 Rapid Reset. There is a setting in the http2 specification called...