CVE-2026-86138 | xmlsoft libxml2 up to 2.15.3 dict.c xmlDictAddQString integer overflow

SecurityVulns
Yanac

A vulnerability described as problematic has been identified in xmlsoft libxml2 up to 2.15.3. The impacted element is the function xmlDictAddQString of the file dict.c. Executing a manipulation can lead to integer overflow.

This vulnerability appears as CVE-2026-86138. The attack requires local access. There is no available exploit.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More