CVE-2026-20337

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

August 11, 2026

Last Seen

September 15, 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

Critical Vulnerabilities in ClamAV Affecting Multiple File Parsers72.9

SUSE has issued important security advisories for ClamAV, addressing multiple denial of service vulnerabilities. The vulnerabilities, identified as CVE-2026-20213 through CVE-2026-20217 and CVE-2026-20337 through CVE-2026-20347, allow unauthenticated remote attackers to exploit flaws in various file...

Cisco ClamAV Vulnerabilities Allow Remote DoS Attacks70.5

Cisco disclosed multiple high-severity vulnerabilities in ClamAV, tracked as CVE-2026-20337, CVE-2026-20338, CVE-2026-20339, CVE-2026-20345, CVE-2026-20346, CVE-2026-20347, and CVE-2026-20348. These flaws allow unauthenticated remote attackers to crash the antivirus scanning process via specially cr...