RazrFalcon roxmltree up to 0.21.1 XML Parsing resource consumption

Summaryinfo

A vulnerability categorized as problematic has been discovered in RazrFalcon roxmltree up to 0.21.1. Affected by this issue is some unknown functionality of the component XML Parsing. Such manipulation leads to resource consumption. This vulnerability is traded as CVE-2026-92987. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in RazrFalcon roxmltree up to 0.21.1. It has been rated as problematic. Affected by this issue is an unknown functionality of the component XML Parsing. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

roxmltree through 0.21.1 performs quadratic-time attribute and namespace validation during XML parsing without limits on attribute count. Attackers can craft XML documents with tens of thousands of attributes on a single element to consume excessive CPU time and cause denial of service.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-92987 since 09/17/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 346976 (Linux Distros Unpatched Vulnerability : CVE-2026-92987), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (346976). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• RazrFalcon

Name

• roxmltree

Version

• 0.21.0
• 0.21.1

Website

• Product: https://github.com/RazrFalcon/roxmltree/

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Once again VulDB remains the best source for vulnerability data.

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