CVE-2019-5154: Leadtools

High severity, CVSS 8.8. EPSS: 2.6% chance of exploitation in the next 30 days.

An exploitable heap overflow vulnerability exists in the JPEG2000 parsing functionality of LEADTOOLS 20.0.2019.3.15. A specially crafted J2K image file can cause an out of bounds write of a null byte in a heap buffer, potentially resulting in code execution. An attack can specially craft a J2K image to trigger this vulnerability.

Affected products

• Leadtools Leadtools: version 20.0.2019.3.15 only

Published 2019-12-12. Last modified 2026-06-17.