CVE-2026-20031

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

March 17, 2026

Last Seen

August 12, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Denial of Service Vulnerabilities in ClamAV Affect Fedora 43 and 4460.6

Fedora has released patches addressing multiple Denial of Service vulnerabilities in ClamAV, affecting versions 1.4.5 and 1.4.6. The vulnerabilities include CVE-2026-20031, CVE-2026-20216, and CVE-2026-20215, which can be exploited via crafted files, leading to service disruptions. The issues were r...

Denial of Service Vulnerability in ClamAV Affects openSUSE and Fedora Systems57.1

A security update for ClamAV version 1.5.2 addresses a denial of service vulnerability identified as CVE-2026-20031. This vulnerability arises from improper error handling in the HTML CSS module when processing UTF-8 strings, potentially allowing attackers to exploit crafted HTML files. Affected sys...