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CVE-2026-20031 PUBLISHED CVSS 5.300000190734863 MEDIUM

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.

EPSS 0.12% · 31.4th percentile

Risk Scores

CVSS v3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score
0.12%
31.4th percentile

Affected Products

VendorProductVersions
CiscoCisco Secure Endpoint7.0.5, 6.2.19, 7.3.3
ClamAVClamAV

Timeline

References

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