CVE-2026-44893 Netty: HAProxy SSL TLV parsing leaks retained slice on invalid TLV length

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...

CVE-2026-44893 Netty: HAProxy SSL TLV parsing leaks retained slice on invalid TLV length

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...

EUVD-2026-36432

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...

CVE-2026-44893

Netty CVE-2026-44893 affects netty-codec-haproxy prior to 4.1.135.Final and 4.2.15.Final. During PP2_TYPE_SSL TLV decoding, HAProxyMessage.readNextTLV() retains a slice before reading the client (1 byte) and verify (4 bytes). If TLV length

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...

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...

Memory Leak

io.netty, netty-codec-haproxy is vulnerable to a memory leak.The vulnerability is due to improper handling of nested PP2TYPESSL TLVs during successful parsing, which leaves the underlying pooled ByteBuf permanently pinned in memory, allowing an attacker to repeatedly send crafted valid headers an...

DoS (Denial of Service) io.netty:netty-codec-http2 Dependency in Crowd Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 6.2.0, 6.3.0, 7.0.0, 7.1.0, and 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...

Security Bulletin: Multiple vulnerabilities in IBM watsonx Orchestrate Developer Edition

Summary Multiple vulnerabilities were addressed in IBM watsonx Orchestrate Developer Edition version 2.11.0 Vulnerability Details CVEID:CVE-2026-42577 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. From 4.2.0.Final to 4.2.13.Final , Netty's epoll transport fail...

CVE-2026-44249

A flaw was found in netty-handler, a component of the Netty network application framework. A remote attacker can exploit an incorrect masking operation in the IpSubnetFilterRule.compareTo function to bypass configured IPv6 subnet rules. This allows valid public IP addresses to circumvent intended...

Security Bulletin: IBM Event Processing is affected by Multiple vulnerabilities

Summary IBM Event Processing is affected by Multiple vulnerabilities and were addressed in IBM Event Processing version 1.5.3 Vulnerability Details CVEID:CVE-2026-27148 DESCRIPTION: Storybook is a frontend workshop for building user interface components and pages in isolation. Prior to versions...

CVE-2026-44892

Netty is a network application framework for development of protocol servers and clients. Prior to version 4.2.15.Final, the default configuration of the Http3ConnectionHandler in the Netty HTTP/3 codec lacks an enforced maximum header size limit. When a peer does not explicitly specify...

UBUNTU-CVE-2026-44892

Netty is a network application framework for development of protocol servers and clients. Prior to version 4.2.15.Final, the default configuration of the Http3ConnectionHandler in the Netty HTTP/3 codec lacks an enforced maximum header size limit. When a peer does not explicitly specify...

CVE-2026-44892

Netty is a network application framework for development of protocol servers and clients. Prior to version 4.2.15.Final, the default configuration of the Http3ConnectionHandler in the Netty HTTP/3 codec lacks an enforced maximum header size limit. When a peer does not explicitly specify...

CVE-2026-44892 Netty has a Vulnerable Default Configuration Which Leads to Denial of Service via Unbounded HTTP/3 Header Size

Netty is a network application framework for development of protocol servers and clients. Prior to version 4.2.15.Final, the default configuration of the Http3ConnectionHandler in the Netty HTTP/3 codec lacks an enforced maximum header size limit. When a peer does not explicitly specify...

CVE-2026-44892 Netty has a Vulnerable Default Configuration Which Leads to Denial of Service via Unbounded HTTP/3 Header Size

Netty is a network application framework for development of protocol servers and clients. Prior to version 4.2.15.Final, the default configuration of the Http3ConnectionHandler in the Netty HTTP/3 codec lacks an enforced maximum header size limit. When a peer does not explicitly specify...

CVE-2026-44892

Netty is a network application framework for development of protocol servers and clients. Prior to version 4.2.15.Final, the default configuration of the "Http3ConnectionHandler" in the Netty HTTP/3 codec lacks an enforced maximum header size limit. When a peer does not explicitly specify...

CVE-2026-44892 Netty has a Vulnerable Default Configuration Which Leads to Denial of Service via Unbounded HTTP/3 Header Size

Netty is a network application framework for development of protocol servers and clients. Prior to version 4.2.15.Final, the default configuration of the Http3ConnectionHandler in the Netty HTTP/3 codec lacks an enforced maximum header size limit. When a peer does not explicitly specify...

EUVD-2026-36386

Netty is a network application framework for development of protocol servers and clients. Prior to version 4.2.15.Final, the default configuration of the Http3ConnectionHandler in the Netty HTTP/3 codec lacks an enforced maximum header size limit. When a peer does not explicitly specify...

CVE-2026-44892

CVE-2026-44892 affects Netty’s HTTP/3 codec. Before 4.2.15.Final, Http3ConnectionHandler defaults allow an unbounded maximum header size when HTTP3_SETTINGS_MAX_FIELD_SECTION_SIZE isn’t specified, enabling a malicious peer to flood headers and cause memory exhaustion (OutOfMemoryError) with netwo...