Critical severity9.8NVD Advisory· Published Aug 20, 2021· Updated Jun 17, 2026
CVE-2021-21828
CVE-2021-21828
Description
A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs Xmill 0.7. In the default case of DecodeTreeBlock a label is created via CurPath::AddLabel in order to track the label for later reference. An attacker can provide a malicious file to trigger this vulnerability.
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Affected products
2Patches
Vulnerability mechanics
References
1- talosintelligence.com/vulnerability_reports/TALOS-2021-1291nvdExploitThird Party Advisory
News mentions
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