RHCOS 4 : OpenShift Container Platform 4.11.57 (RHSA-2024:0308)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2024:0308 advisory. - haproxy: Proxy forwards malformed empty Content-Length headers CVE-2023-40225 Note that Nessus has not tested for this issue but has instea...

Ubuntu 24.04 LTS / 25.10 / 26.04 LTS : HAProxy vulnerability (USN-8208-1)

The remote Ubuntu 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8208-1 advisory. Martino Spagnuolo discovered that HAProxy did not check received body lengths in the HTTP/3 parser. A remote attacker could possibly use this...

haproxy: HAProxy: Request smuggling via HTTP/3 parser desynchronization

A flaw was found in HAProxy. A remote attacker could exploit this vulnerability by sending a specially crafted HTTP/3 request. The HTTP/3 parser fails to verify that the received body length matches the announced content-length when a stream is closed with an empty payload. This desynchronization...

HAProxy 安全漏洞

HAProxy is an open-source TCP/HTTP load balancing server developed by the French company HAProxy. This server provides layer-4 and layer-7 proxy services and can support thousands of connections. It features efficiency and stability. Prior to version 3.3.6, HAProxy had security vulnerabilities...

CVE-2026-33555

An issue was discovered in HAProxy before 3.3.6. The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame with an empty payload. This can cause desynchronization issues with the backend server and could be...

EulerOS 2.0 SP11 : haproxy (EulerOS-SA-2026-1580)

According to the versions of the haproxy package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON...

Huawei EulerOS: Security Advisory for haproxy (EulerOS-SA-2026-1608)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-8036-1 haproxy vulnerability

Asim Viladi Oglu Manizada discovered that HAProxy incorrectly handled certain INITIAL packets. A remote attacker could possibly use this issue to cause HAProxy to crash, resulting in a denial of service...

USN-8036-1: HAProxy vulnerability

Asim Viladi Oglu Manizada discovered that HAProxy incorrectly handled certain INITIAL packets. A remote attacker could possibly use this issue to cause HAProxy to crash, resulting in a denial of service...

Astra Linux – Vulnerability in HAPProxy

Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service through specially crafted JSON requests...

CBL Mariner 2.0 Security Update: CBL-Mariner Releases (CVE-2025-11230)

The version of CBL-Mariner Releases installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-11230 advisory. - Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial...

Azure Linux 3.0 Security Update: haproxy (CVE-2025-32464)

The version of haproxy installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-32464 advisory. - HAProxy 2.2 through 3.1.6, in certain uncommon configurations, has a sampleconvregsub heap-based buffer...

Azure Linux 3.0 Security Update: haproxy (CVE-2024-45506)

The version of haproxy installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-45506 advisory. - HAProxy 2.9.x before 2.9.10, 3.0.x before 3.0.4, and 3.1.x through 3.1-dev6 allows a remote denial of servi...

MiracleLinux 9 : haproxy-2.4.17-3.el9.2 (AXSA:2023-5279:02)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2023-5279:02 advisory. haproxy: segfault DoS CVE-2023-0056 haproxy: request smuggling attack in HTTP/1 header parsing CVE-2023-25725 Tenable has extracted the preceding...

EulerOS 2.0 SP12 : haproxy (EulerOS-SA-2026-1069)

According to the versions of the haproxy package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON...

GHSA-FC36-5GC3-JMHX vulnerabilities

Vulnerabilities for packages: haproxy...

RockyLinux 9 : haproxy (RLSA-2025:21693)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2025:21693 advisory. haproxy: denial of service vulnerability in HAProxy mjson library CVE-2025-11230 Tenable has extracted the preceding description block directly from the RockyLin...

Important: Red Hat Security Advisory: haproxy security update

An update for haproxy is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. 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...

RHEL 9 : haproxy (RHSA-2025:22399)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:22399 advisory. The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Security Fixes: haproxy: denial...

RHEL 9 : haproxy (RHSA-2025:22422)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:22422 advisory. The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Security Fixes: haproxy: denial...