Libsoup: libsoup: buffer overread due to integer underflow when handling zero-length resources

...

Fedora: Security Advisory (FEDORA-2026-f029d04054)

The remote host is missing an update for the 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...

[SECURITY] Fedora 43 Update: libsoup3-3.6.6-2.fc43

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...

OESA-2026-1684 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 was identified in libsoup, a widely used HTTP library in GNOME-based...

ROS-20260320-73-0003

A vulnerability in the WebSocket protocol implementation of the libsoup library of the GNOME GUI is related to pointer dereferencing errors. Exploitation of the vulnerability could allow a remote attacker to cause a denial of service by sending a specially crafted POST request...

EUVD-2026-13105

A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker to potentially access sensitive information or cause an application level denial of service...

CVE-2026-2369

A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker to potentially access sensitive information or cause an application level denial of service...

UBUNTU-CVE-2026-2369

A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker to potentially access sensitive information or cause an application level denial of service...

CVE-2026-2369

A vulnerability CVE-2026-2369 exists in libsoup where an integer underflow occurs when processing content with a zero-length resource, causing a buffer overread. Connected sources indicate this affects libsoup versions older than 3.4.4-14, with a patched release available (3.4.4-14). Potential im...

CVE-2026-2369

A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker to potentially access sensitive information or cause an application level denial of service...

CVE-2026-2369 Libsoup: libsoup: buffer overread due to integer underflow when handling zero-length resources

A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker to potentially access sensitive information or cause an application level denial of service...

CVE-2026-2369

A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker to potentially access sensitive information or cause an application level denial of service...

CVE-2026-2369 Libsoup: libsoup: buffer overread due to integer underflow when handling zero-length resources

A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker to potentially access sensitive information or cause an application level denial of service...

SUSE-SU-2026:20737-1 Security update for libsoup

This update for libsoup fixes the following issue: - CVE-2026-0716: improper bounds handling may allow out-of-bounds read bsc1256418...

SUSE CVE-2026-4271

A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote attacker can exploit this by sending specially crafted HTTP/2 requests that cause authentication failures. This can lead to the...

Use After Free

Overview Affected versions of this package are vulnerable to Use After Free in the http/2 server implementation. An attacker can cause application instability or crashes by sending specially crafted HTTP/2 requests that trigger authentication failures, leading to access of freed memory. Note: Thi...

EUVD-2026-12568

A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote attacker can exploit this by sending specially crafted HTTP/2 requests that cause authentication failures. This can lead to the...

EUVD-2026-12560

A flaw was found in libsoup. A remote attacker, by controlling the method parameter of the soupmessagenew function, could inject arbitrary headers and additional request data. This vulnerability, known as CRLF Carriage Return Line Feed injection, occurs because the method value is not properly...

EUVD-2026-12559

A flaw was found in libsoup, a library used by applications to send network requests. This vulnerability occurs because libsoup does not properly validate hostnames, allowing special characters to be injected into HTTP headers. A remote attacker could exploit this to perform HTTP smuggling, where...

EUVD-2026-12561

A flaw was found in libsoup. An attacker controlling the value used to set the Content-Type header can inject a Carriage Return Line Feed CRLF sequence due to improper input sanitization in the soupmessageheaderssetcontenttype function. This vulnerability allows for the injection of arbitrary...