PT-2026-54706 · Cisco · Cisco Secure Endpoint

Mizu · Published 2026-07-01 · Updated 2026-07-02 · CVE-2026-20216

NVD

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

A vulnerability in the InstallShield file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device.

This vulnerability is due to improper handling of temporary resources during file scanning. An attacker could exploit this vulnerability by submitting a crafted InstallShield file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process and temporarily consume available system resources, resulting in a DoS condition on the affected software.

Fix

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2026-20216

Affected Products

Cisco Secure Endpoint

References · 3

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-88cFYyxR · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20216 · Security Note
• https://twitter.com/techepages/status/2072614506300420195 · Twitter Post