VYPR
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
  • ClamAV/Clamavllm-fuzzy
  • Cisco/Cisco Secure Endpointv5
    Range: 7.0.5

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

1

News mentions

0

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