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Vulnerabilities
Vulnerability

CVE-2026-20338

Reference data from vuln.mlab.sh, coverage from our own index.

CVSS
7.5 High
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Risk score
60.0
Published
2026-08-07
Status
Published

A vulnerability in the zip archive parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper memory handling when processing content in zip files during scanning. An attacker could exploit this vulnerability by submitting a crafted zip file for scanning. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate as a result of a memory double-free, resulting in a DoS condition on the affected software.

Weaknesses

CWE-415

Coverage 3

Advisories and references