CVE-2026-1525

Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names e.g., Content-Length and content-length. This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Who is impacted: Applications...

RUSTSEC-2026-0034 HTTP Request Smuggling via HTTP/1.0 and Transfer-Encoding Misparsing

Pingora versions prior to 0.8.0 improperly allowed HTTP/1.0 request bodies to be close-delimited and incorrectly handled multiple Transfer-Encoding values. This allows an attacker to desync Pingora's request framing from backend servers and smuggle requests to the backend. This vulnerability...

CVE-2025-41082

Illegal HTTP request traffic vulnerability CL.0 in Altitude Communication Server, caused by inconsistent analysis of multiple HTTP requests over a single Keep-Alive connection using Content-Length headers. This can cause a desynchronization of requests between frontend and backend servers, which...

EUVD-2021-0916

Malware in sbrugna...

EUVD-2020-12751

Malware in sbrugna...

EUVD-2023-2224

Malicious code in bioql PyPI...

Exploit for CVE-2025-8671

PoC-CVE-2025-8671-MadeYouReset-HTTP-2 PoC para validar vulnera...

RHEL 7 : haproxy (Unpatched Vulnerability)

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched. - haproxy: data leak via fcgi requests CVE-2023-0836 - An uncontrolled resource consumption vulnerability w...

RHEL 8 / 9 : OpenShift Container Platform 4.14.4 (RHSA-2023:7473)

The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7473 advisory. Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or...

Moderate: Red Hat Security Advisory: haproxy security update

An update for haproxy is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. 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...

Moderate: haproxy security update

The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Security Fixes: haproxy: Proxy forwards malformed empty Content-Length headers CVE-2023-40225 haproxy: untrimmed URI fragments may lead to exposure of confidential data on static...

ALSA-2024:1142 Moderate: haproxy security update

The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Security Fixes: haproxy: Proxy forwards malformed empty Content-Length headers CVE-2023-40225 haproxy: untrimmed URI fragments may lead to exposure of confidential data on static...

rubygem-puma: HTTP request smuggling when parsing chunked transfer encoding bodies and zero-length content-length headers

An HTTP request smuggling attack vulnerability was found in Rubygem Puma. This flaw allows an attacker to gain unauthorized access to sensitive data due to an inconsistent interpretation of HTTP requests...

EulerOS 2.0 SP11 : haproxy (EulerOS-SA-2023-3008)

According to the versions of the haproxy package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10, and...

EulerOS 2.0 SP9 : haproxy (EulerOS-SA-2023-2897)

According to the versions of the haproxy package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10, and...

SUSE-SU-2023:3957-1 Security update for rubygem-puma

This update for rubygem-puma fixes the following issues: - CVE-2023-40175: Fixed HTTP request smuggling when parsing chunked transfer encoding bodies and zero-length content-length headers bsc1214425...

Medium: haproxy

Issue Overview: HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10, and 2.8.x before 2.8.2 forwards empty Content-Length headers, violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind...

Ubuntu 20.04 LTS : HAProxy vulnerability (USN-6294-2)

The remote Ubuntu 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-6294-2 advisory. USN-6294-1 fixed vulnerabilities in HAProxy. This update provides the corresponding updates for Ubuntu 20.04 LTS. Tenable has extracted the preceding description...

USN-6294-1 haproxy vulnerability

Ben Kallus discovered that HAProxy incorrectly handled empty Content-Length headers. A remote attacker could possibly use this issue to manipulate the payload and bypass certain restrictions...

USN-6294-1: HAProxy vulnerability

Ben Kallus discovered that HAProxy incorrectly handled empty Content-Length headers. A remote attacker could possibly use this issue to manipulate the payload and bypass certain restrictions...