netty-codec-haproxy: Netty HAProxy PROXY protocol v2 codec: Denial of Service via memory leak from crafted PROXY protocol headers

A flaw was found in the Netty HAProxy PROXY protocol v2 codec. A remote attacker can exploit this vulnerability by sending a specially crafted HAProxy PROXY protocol v2 header with nested PP2TYPESSL type-length-value TLV records. This can lead to a memory leak, causing the underlying cumulation...

SUSE-SU-2026:3482-1 Security update for netty, netty-tcnative

This update for netty, netty-tcnative fixes the following issues: Upgrade netty to upstream version 4.1.136 and netty-tcnative to version 2.0.80 Final. Security issues fixed - CVE-2026-44891: memory exhaustion in io.netty:netty-codec-stomp bsc1271435. - CVE-2026-55831: resource exhaustion/DoS in...

Linux Distros Unpatched Vulnerability : CVE-2026-55851

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 up to but not including 4.2.16.Final, and...

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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-44893

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 netty-codec- haproxy prior to versions 4.1.135.Final and...

Missing Release of Resource after Effective Lifetime

Overview Affected versions of this package are vulnerable to Missing Release of Resource after Effective Lifetime through improper handling of TLV length in the readNextTLV function. An attacker can cause resource exhaustion and denial of service by sending a specially crafted HAProxy protocol...