Critical severity9.8NVD Advisory· Published Aug 31, 2021· Updated Jun 17, 2026
CVE-2021-21811
CVE-2021-21811
Description
A memory corruption vulnerability exists in the XML-parsing CreateLabelOrAttrib functionality of AT&T Labs’ Xmill 0.7. A specially crafted XML file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
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Affected products
1Patches
Vulnerability mechanics
References
1- talosintelligence.com/vulnerability_reports/TALOS-2021-1279nvdExploitThird Party Advisory
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