CVE-2021-21811: Integer Underflow
First published: Tue Aug 31 2021(Updated: )
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.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Att Xmill | =0.7 |
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Frequently Asked Questions
What is CVE-2021-21811?
CVE-2021-21811 is a memory corruption vulnerability in the XML-parsing CreateLabelOrAttrib functionality of AT&T Labs’ Xmill 0.7.
How does CVE-2021-21811 occur?
CVE-2021-21811 occurs due to a memory corruption vulnerability in the XML-parsing CreateLabelOrAttrib functionality of AT&T Labs’ Xmill 0.7, which can be triggered by a specially crafted XML file.
What is the severity rating for CVE-2021-21811?
CVE-2021-21811 has a severity rating of 9.8 (critical).
Which software is affected by CVE-2021-21811?
AT&T Labs’ Xmill 0.7 is affected by CVE-2021-21811.
How can I fix CVE-2021-21811?
To fix CVE-2021-21811, it is recommended to update to a patched version of AT&T Labs’ Xmill.
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