CVE-2021-21773: Accusoft Imagegear

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

An out-of-bounds write vulnerability exists in the TIFF header count-processing functionality of Accusoft ImageGear 19.8. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

• Accusoft Imagegear: version 19.8 only

Published 2021-03-31. Last modified 2026-06-17.