Unrated severityNVD Advisory· Published Mar 4, 2026· Updated Mar 5, 2026
ClamAV CSS Image Parsing Error Handling Denial of Service Vulnerability
CVE-2026-20031
Description
A vulnerability in the HTML Cascading Style Sheets (CSS) module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to improper error handling when splitting UTF-8 strings. An attacker could exploit this vulnerability by submitting a crafted HTML file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the scanning process.
Affected products
2- Cisco/Cisco Secure Endpointv5Range: 7.0.5
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
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