{"id":86483,"date":"2026-02-17T01:26:57","date_gmt":"2026-02-17T01:26:57","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T06:00:00","slug":"cve-2025-6021-critical-buffer-overflow-vulnerability-in-libxml2-s-xmlbuildqname-function","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6021-critical-buffer-overflow-vulnerability-in-libxml2-s-xmlbuildqname-function\/","title":{"rendered":"CVE-2025-6021: Critical Buffer Overflow Vulnerability in libxml2’s xmlBuildQName function<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The CVE-2025-6021 vulnerability represents a critical flaw in the libxml2’s xmlBuildQName function, with potential system-wide implications. This flaw can lead to both memory corruption and denial of service, thereby compromising the integrity of affected systems. Given the widespread use of libxml2 in parsing XML, this vulnerability could impact a wide range of software and applications, making its mitigation a priority for system administrators and developers.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-6021
\nSeverity: High (7.5 – CVSS score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Memory corruption, denial of service, potential system compromise, and data leakage<\/p>\n

Affected Products<\/strong><\/p>

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