4.3 MEDIUM
- CVSS version: 3.1
- Attack vector (AV): NETWORK
- Attack complexity (AC): LOW
- Privileges required (PR): NONE
- User interaction (UI): REQUIRED
- Scope (S): UNCHANGED
- Confidentiality impact (C): NONE
- Integrity impact (I): NONE
- Availability impact (A): LOW
Libsoup: null pointer dereference in libsoup may lead to denial of service
A denial-of-service vulnerability has been identified in the libsoup HTTP client library. This flaw can be triggered when a libsoup client receives a 401 (Unauthorized) HTTP response containing a specifically crafted domain parameter within the WWW-Authenticate header. Processing this malformed header can lead to a crash of the client application using libsoup. An attacker could exploit this by setting up a malicious HTTP server. If a user's application using the vulnerable libsoup library connects to this malicious server, it could result in a denial-of-service. Successful exploitation requires tricking a user's client application into connecting to the attacker's malicious server.
References
- https://access.redhat.com/security/cve/CVE-2025-4476 x_refsource_REDHAT vdb-entry
- RHBZ#2366513 issue-tracking x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-4476 x_refsource_REDHAT vdb-entry
- RHBZ#2366513 issue-tracking x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-4476 x_refsource_REDHAT vdb-entry
- RHBZ#2366513 issue-tracking x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-4476 x_refsource_REDHAT vdb-entry
- RHBZ#2366513 issue-tracking x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-4476 x_refsource_REDHAT vdb-entry
- RHBZ#2366513 issue-tracking x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-4476 x_refsource_REDHAT vdb-entry
- RHBZ#2366513 issue-tracking x_refsource_REDHAT
Affected products
- <3.6.6
Matching in nixpkgs
pkgs.libsoup_2_4
HTTP client/server library for GNOME
-
nixos-unstable -
- nixpkgs-unstable 2.74.3
pkgs.tests.pkg-config.defaultPkgConfigPackages.%22libsoup-gnome-2.4%22
Test whether libsoup-2.74.3 exposes pkg-config modules libsoup-gnome-2.4
Package maintainers
-
@jtojnar Jan Tojnar <jtojnar@gmail.com>
-
@hedning Tor Hedin Brønner <torhedinbronner@gmail.com>
-
@dasj19 Daniel Șerbănescu <daniel@serbanescu.dk>
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@7c6f434c Michael Raskin <7c6f434c@mail.ru>
-
@lovek323 Jason O'Conal <jason@oconal.id.au>
-
@bobby285271 Bobby Rong <rjl931189261@126.com>