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CVE-2026-55862

Description

A flaw was found in libupnp. Several Document Object Model (DOM) traversal functions process deeply nested XML structures using unbounded recursion. An unauthenticated attacker on the local network can exploit this flaw by sending a crafted SOAP request containing deeply nested XML, exhausting stack memory. This issue causes the UPnP service to crash, resulting in a Denial of Service (DoS).

Statement

Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.

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