CVE-2026-86143 | xmlsoft libxml2 up to 2.15.3 xmlIO xmlOutputWriteCallback integer overflow

SecurityVulns
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A vulnerability classified as problematic was found in xmlsoft libxml2 up to 2.15.3. This impacts the function xmlOutputWriteCallback of the component xmlIO. The manipulation results in integer overflow.

This vulnerability is known as CVE-2026-86143. Attacking locally is a requirement. No exploit is available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More