cvedb.io
CVE-2025-4476
MEDIUM · CVSS 4.3
EPSS exploitation probability: 0%
Published 2025-05-16T18:16:10.970 · Last modified 2026-06-30T11:16:22.310

Summary

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.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.