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...

Important: Red Hat Security Advisory: libsoup security update

An update for libsoup 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...

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...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : cpp-httplib vulnerability (USN-7962-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-7962-1 advisory. It was discovered that cpp-httplib did not correctly handle HTTP headers. A remote attacker could possibly use this issue to bypass...

MiracleLinux 8 : resource-agents-4.9.0-54.el8_10.4 (AXSA:2024-8815:06)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-8815:06 advisory. urllib3: proxy-authorization request header is not stripped during cross-origin redirects CVE-2024-37891 pypa/setuptools: Remote code execution via...

MiracleLinux 7 : rh-nodejs10-nodejs-10.19.0-1.el7 (AXSA:2020-4479:01)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2020-4479:01 advisory. nodejs: HTTP request smuggling using malformed Transfer-Encoding header CVE-2019-15605 nodejs: Remotely trigger an assertion on a TLS server with a...

MiracleLinux 7 : httpd24-nghttp2-1.7.1-7.el7, httpd24-curl-7.61.1-1.el7, httpd24-httpd-2.4.34-7.el7 (AXSA:2019-3739:01)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2019-3739:01 advisory. httpd: Improper handling of headers in modsession can allow a remote user to modify session data for CGI applications CVE-2018-1283 httpd: Out of...

python -- several security vulnerabilities

The Python project announces a new release with several security fixes: CVE-2026-1299: gh-144125: BytesGenerator will now refuse to serialize write headers that are unsafely folded or delimited; see verifygeneratedheaders. Contributed by Bas Bloemsaat and Petr Viktorin in gh-121650. gh-143935:...

RLSA-2026:0423 Important: libsoup3 security update

Libsoup is an HTTP library implementation in C. It was originally part of a SOAP Simple Object Access Protocol implementation called Soup, but the SOAP and non-SOAP parts have now been split into separate packages. libsoup uses the Glib main loop and is designed to work well with GTK applications...

RLSA-2026:0422 Important: libsoup security update

The libsoup packages provide an HTTP client and server library for GNOME. Security Fixes: libsoup: libsoup: Duplicate Host Header Handling Causes Host-Parsing Discrepancy First- vs Last-Value Wins CVE-2025-14523 For more details about the security issues, including the impact, a CVSS score,...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002989)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002989 advisory. The tpacketrcv function in net/packet/afpacket.c in the Linux kernel before 4.13 mishandles vnet headers, which might allow local users to cause a denial of service...

chi has an open redirect vulnerability in the RedirectSlashes middleware

Summary The RedirectSlashes function in middleware/strip.go does not perform correct input validation and can lead to an open redirect vulnerability. Details The RedirectSlashes function performs a Trim to all forward slash / characters, while prepending a single one at the begining of the path...

USN-7962-1 cpp-httplib vulnerability

It was discovered that cpp-httplib did not correctly handle HTTP headers. A remote attacker could possibly use this issue to bypass authorization and impersonate users...

RLSA-2026:0421 Important: libsoup security update

The libsoup packages provide an HTTP client and server library for GNOME. Security Fixes: libsoup: libsoup: Duplicate Host Header Handling Causes Host-Parsing Discrepancy First- vs Last-Value Wins CVE-2025-14523 For more details about the security issues, including the impact, a CVSS score,...

MiracleLinux 9 : firefox-128.12.0-1.el9_6.ML.1 (AXSA:2025-10663:25)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-10663:25 advisory. firefox: Content-Disposition header ignored when a file is included in an embed or object tag CVE-2025-6430 firefox: Use-after-free in FontFaceSet...

RHEL 8 : libsoup (RHSA-2026:0421)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:0421 advisory. The libsoup packages provide an HTTP client and server library for GNOME. Security Fixes: libsoup: libsoup: Duplicate Host Header Handling Causes...

Important: Red Hat Security Advisory: libsoup3 security update

An update for libsoup3 is now available for Red Hat Enterprise Linux 10. 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...

PT-2026-29601

Name of the Vulnerable Software and Affected Versions AIOHTTP versions prior to 3.13.4 Description Insufficient restrictions in header/trailer handling could lead to uncapped memory usage. An application could experience memory exhaustion when processing attacker-controlled requests or responses....

curl: Heap Out-of-Bounds Read in lib/http2.c via Malformed PUSH_PROMISE Headers

Summary A heap-based out-of-bounds read vulnerability exists in libcurl's HTTP/2 implementation. The onheader callback in lib/http2.c incorrectly treats header names and values provided by nghttp2 as null-terminated C-strings. Specifically, passing these pointers to curlmaprintf with the %s forma...

USN-7950-1: Tornado vulnerabilities

It was discovered that Tornado incorrectly handled special characters in HTTP headers. An attacker could possibly use this issue to execute a cross- site scripting XSS attack. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 25.04, and Ubuntu 25.10...