What’s Vulnerable › Vulnerabilities

CVE-2021-21810

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-17 · updated 2026-06-17
• Weakness: CWE-122

Description

A memory corruption vulnerability exists in the XML-parsing ParseAttribs 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.

Affected products

• Att Xmill: 0.7

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1278
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1278

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