cvedb.io
CVE-2025-6021
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2025-06-12T13:15:25.590 · Last modified 2026-06-30T11:16:27.170

Summary

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.

Affected products

xmlsoft — libxml2

Does this affect you?

Add your gear to cvedb and we'll alert you only when xmlsoft ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.