CVE-2021-21825

CRITICAL

ATT Xmill - Out-of-Bounds Write

Title source: rule
STIX 2.1

Description

A heap-based buffer overflow vulnerability exists in the XML Decompression PlainTextUncompressor::UncompressItem 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.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1290

Scores

CVSS v3 9.8
EPSS 0.0227
EPSS Percentile 84.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-122 CWE-787
Status published
Products (1)
att/xmill 0.7
Published Aug 18, 2021
Tracked Since Feb 18, 2026