OESA-2026-2192 python-aiohttp security update

Async http client/server framework asyncio. Security Fixes: Insufficient restrictions in header/trailer handling could cause uncapped memory usage.CVE-2026-22815 An unbounded DNS cache could result in excessive memory usage possibly resulting in a DoS situation.CVE-2026-34513 An attacker who...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libsoup (UTSA-2026-014646)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-014646 advisory. A flaw in libsoups HTTP header handling allows multiple Host: headers in a request and returns the last occurrence for server-side processing. Common front proxies...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling via the processing of duplicate Host headers. An attacker can bypass security checks enforced by a reverse proxy by sending requests with multiple Host headers, potentially causing the proxy and the backend to...

GHSA-C427-H43C-VF67 AIOHTTP accepts duplicate Host headers

Summary Multiple Host headers were allowed in aiohttp. Impact Mostly this doesn't affect aiohttp security itself, but if a reverse proxy is applying security rules depending on the target Host, it is theoretically possible that the proxy and aiohttp could process different host names, possibly...

AIOHTTP accepts duplicate Host headers

Summary Multiple Host headers were allowed in aiohttp. Impact Mostly this doesn't affect aiohttp security itself, but if a reverse proxy is applying security rules depending on the target Host, it is theoretically possible that the proxy and aiohttp could process different host names, possibly...

EulerOS 2.0 SP12 : libsoup (EulerOS-SA-2026-1402)

According to the versions of the libsoup packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw in libsoup's HTTP header handling allows multiple Host: headers in a request and returns the last occurrence for server-side processing...

OESA-2026-1325 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw in libsoup’s HTTP header handling allows multiple Host: headers in a...

Important: libsoup

Issue Overview: A flaw in libsoup's HTTP header handling allows multiple Host: headers in a request and returns the last occurrence for server-side processing. Common front proxies often honor the first Host: header, so this mismatch can cause vhost confusion where a proxy routes a request to one...

libsoup: libsoup: Duplicate Host Header Handling Causes Host-Parsing Discrepancy (First- vs Last-Value Wins)

A flaw in libsoup’s HTTP header handling allows multiple Host: headers in a request and returns the last occurrence for server-side processing. Common front proxies often honor the first Host: header, so this mismatch can cause vhost confusion where a proxy routes a request to one backend but the...

CLSA-2026-1769598900 libsoup: Fix of CVE-2025-14523

CVE-2025-14523: reject duplicate Host headers to prevent request smuggling, cache poisoning, and host-based access control bypass attacks...

TencentOS Server 2: libsoup (TSSA-2026:0040)

The version of Tencent Linux installed on the remote TencentOS Server 2 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0040 advisory. Package updates are available for TencentOS Server 2 that fix the following vulnerabilities:...

CLSA-2026-1768566531 libsoup: Fix of CVE-2025-14523

CVE-2025-14523: reject requests with duplicate Host headers...

CLSA-2026-1768555539 libsoup: Fix of CVE-2025-14523

CVE-2025-14523: reject duplicate Host headers...

CVE-2025-14523 Libsoup: libsoup: duplicate host header handling causes host-parsing discrepancy (first- vs last-value wins)

A flaw in libsoup’s HTTP header handling allows multiple Host: headers in a request and returns the last occurrence for server-side processing. Common front proxies often honor the first Host: header, so this mismatch can cause vhost confusion where a proxy routes a request to one backend but the...

Linux Distros Unpatched Vulnerability : CVE-2025-14523

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw in libsoup's HTTP header handling allows multiple Host: headers in a request and returns the last occurrence for server-side processing. Common front...