Cisco · Clamav · CVE-2026-20216
**Name of the Vulnerable Software and Affected Versions**
ClamAV (affected versions not specified)
**Description**
An issue exists in the InstallShield file format parser where improper handling of temporary resources during file scanning can lead to a Denial of Service (DoS) condition. A remote, unauthenticated attacker can trigger this by submitting a specially crafted InstallShield file for scanning. This action can terminate the scanning process and exhaust available system resources, causing the software to become unavailable.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.