CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.
CVE
CVE-2021-21827
Severity
CRITICAL
CVSS
9.8
EPSS
1.14%
Original NVD Description
A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs Xmill 0.7. Within `DecodeTreeBlock` which is called during the decompression of an XMI file, a UINT32 is loaded from the file and used as trusted input as the length of a buffer. An attacker can provide a malicious file to trigger this vulnerability.
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