CVE-2021-21833: Accusoft Imagegear

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

An improper array index validation vulnerability exists in the TIF IP_planar_raster_unpack functionality of Accusoft ImageGear 19.9. 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

• Accusoft Imagegear: version 19.9 only

Published 2021-06-11. Last modified 2026-06-17.