CVE-2026-92987

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductMicrosoft Azl3 Openvmm
PublishedSep 17, 2026
First seenSep 17, 2026
Weakness typeCWE-407CWE-407

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
microsoft azl3_openvmm_0.1.0-1No range specified—
microsoft azl3_openvmm_0.4.0-1No range specified—

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