CVE-2018-3871: Acdsystems Canvas Draw

High severity, CVSS 7.8. EPSS: 1.5% chance of exploitation in the next 30 days.

An exploitable out-of-bounds write exists in the PCX parsing functionality of Canvas Draw version 4.0.0. A specially crafted PCX image processed via the application can lead to an out-of-bounds write, overwriting arbitrary data. An attacker can deliver a PCX image to trigger this vulnerability and gain code execution. A different vulnerability than CVE-2018-3870.

Affected products

• Acdsystems Canvas Draw: version 4.0.0 only

Published 2018-07-19. Last modified 2026-06-17.