CVE-2025-6021

CVE-2025-6021CVE-2025-6021

xmlsoft / libxml2

Description

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.

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Last modified2026-06-25
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.