io.netty/netty-codec-haproxy: Netty codec-haproxy: Denial of Service via crafted PROXY protocol v2 message

A flaw was found in Netty's codec-haproxy module. A remote attacker could exploit a vulnerability in the HAProxyMessageDecoder by sending a specially crafted PROXY protocol v2 message. This leads to unbounded buffer accumulation, causing a denial of service DoS due to memory exhaustion...

CVE-2026-55851

A flaw was found in Netty's codec-haproxy module. A remote attacker could exploit a vulnerability in the HAProxyMessageDecoder by sending a specially crafted PROXY protocol v2 message. This leads to unbounded buffer accumulation, causing a denial of service DoS due to memory exhaustion...

CVE-2026-44893

A flaw was found in netty-codec-haproxy, a component of the Netty network application framework. A remote attacker can exploit this vulnerability by sending a specially crafted HAProxy message with a malformed PP2TYPESSL TLV Type-Length-Value header. This can lead to an IndexOutOfBoundsException...

Missing Release of Memory after Effective Lifetime

Overview Affected versions of this package are vulnerable to Missing Release of Memory after Effective Lifetime in the parsing process of nested PP2TYPESSL TLVs within the HAProxy PROXY protocol v2 codec. An attacker can cause memory exhaustion by sending syntactically valid headers containing...

ai.spice:spiceai (=0.6.0), cn.isqing.icloud:icloud-common-utils (>=4.0.3-M1 <=4.0.3.1) +636 more potentially affected by CVE-2026-44893 via io.netty:netty-codec-haproxy (>=4.2.0.Final <=4.2.14.Final)

io.netty:netty-codec-haproxy MAVEN version =4.2.0.Final, =4.0.3-M1, =1.21.9, =3.4.7, =25.4.1, =26.2.1, =7.9.0, =5.1.0, =5.1.0, =6.80, =6.84 and more Source cves: CVE-2026-44893 Source advisory: SNYK:JAVA-IONETTY-17262766...

ai.agentican:agentican-quarkus-deployment (>=0.1.0-alpha.1 <=0.1.0-alpha.4), ai.agentican:agentican-quarkus-metrics (>=0.1.0-alpha.1 <=0.1.0-alpha.4) +6289 more potentially affected by CVE-2026-44893 via io.netty:netty-codec-haproxy (>=4.1.100.Final <=4.1.134.Final)

io.netty:netty-codec-haproxy MAVEN version =4.1.100.Final, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.1, =0.1.0-alpha.3, =0.1.0, =0.1.0, =0.0.86, =0.0.86, =0.0.86, =def544ccef5f753238ecc4adfc2eaa7d2fc36d53-0.0.91 -...

codec-haproxy: HAProxyMessageDecoder Stack Exhaustion DoS

A flaw was found in codec-haproxy from the Netty project. This flaw allows an attacker to build a malformed crafted message and cause infinite recursion, causing stack exhaustion and leading to a denial of service DoS...

codec-haproxy: HAProxyMessageDecoder Stack Exhaustion DoS

A flaw was found in codec-haproxy from the Netty project. This flaw allows an attacker to build a malformed crafted message and cause infinite recursion, causing stack exhaustion and leading to a denial of service DoS...

Important: Red Hat Security Advisory: Migration Toolkit for Applications security and bug fix update

Migration Toolkit for Applications 6.2.0 release Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links in the...

Critical: Red Hat Security Advisory: Red Hat Fuse 7.12 release and security update

A minor version update from 7.11 to 7.12 is now available for Red Hat Fuse. The purpose of this text-only errata is to inform you about the security issues fixed in this release. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring...

codec-haproxy: HAProxyMessageDecoder Stack Exhaustion DoS

A flaw was found in codec-haproxy from the Netty project. This flaw allows an attacker to build a malformed crafted message and cause infinite recursion, causing stack exhaustion and leading to a denial of service DoS...

Moderate: Red Hat Security Advisory: Migration Toolkit for Runtimes security update

Migration Toolkit for Runtimes 1.1.0 release Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links in the...

codec-haproxy: HAProxyMessageDecoder Stack Exhaustion DoS

A flaw was found in codec-haproxy from the Netty project. This flaw allows an attacker to build a malformed crafted message and cause infinite recursion, causing stack exhaustion and leading to a denial of service DoS...

RHEL 7 : Red Hat Single Sign-On 7.6.3 security update on RHEL 7 (Moderate) (RHSA-2023:2705)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:2705 advisory. Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single...

RHEL 9 : Red Hat Single Sign-On 7.6.3 security update on RHEL 9 (Moderate) (RHSA-2023:2707)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:2707 advisory. Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single...

RHEL 8 : Red Hat Single Sign-On 7.6.3 security update on RHEL 8 (Moderate) (RHSA-2023:2706)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:2706 advisory. Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single...

codec-haproxy: HAProxyMessageDecoder Stack Exhaustion DoS

A flaw was found in codec-haproxy from the Netty project. This flaw allows an attacker to build a malformed crafted message and cause infinite recursion, causing stack exhaustion and leading to a denial of service DoS...

Moderate: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.3 security update on RHEL 8

New Red Hat Single Sign-On 7.6.3 packages are now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

codec-haproxy: HAProxyMessageDecoder Stack Exhaustion DoS

A flaw was found in codec-haproxy from the Netty project. This flaw allows an attacker to build a malformed crafted message and cause infinite recursion, causing stack exhaustion and leading to a denial of service DoS...

Moderate: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.3 security update on RHEL 9

New Red Hat Single Sign-On 7.6.3 packages are now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...