CVE-2021-21832: Disc-Soft Daemon Tools

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

A memory corruption vulnerability exists in the ISO Parsing functionality of Disc Soft Ltd Deamon Tools Pro 8.3.0.0767. A specially crafted malformed file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

• Disc-Soft Daemon Tools: version 8.3.0.0767 only

Published 2021-08-17. Last modified 2026-06-17.