Heap-based Buffer Overflow in XML Decompression LabelDict::Load Functionality of Xmill 0.7

CVE-2021-21830 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A heap-based buffer overflow vulnerability exists in the XML Decompression LabelDict::Load functionality of AT&T Labs’ Xmill 0.7. A specially crafted XMI file can lead to remote code execution. An attacker can provide a malicious file to trigger this vulnerability.

Learn more about our Web Application Penetration Testing UK.