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Affected Component
Analysis
clamav
Exploitable
Name
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.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
5.3
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
clamav (buildroot:2025.02.x)
#
Title
Author
Resolve
1
Fix possible panic when scanning some HTML files
"Val S." <mx.val@icloud.com>
CVE-2026-20031