CVE-2019-5125: Leadtools

High severity, CVSS 7.8. EPSS: 2% chance of exploitation in the next 30 days.

An exploitable heap overflow vulnerability exists in the JPEG2000 parsing functionality of LEADTOOLS 20. A specially crafted J2K image file can cause an out of bounds write of a heap buffer, potentially resulting in code execution. An attack can specially craft a J2K image to trigger this vulnerability.

Affected products

• Leadtools Leadtools: before 20.0.2019.11.19 (fixed in 20.0.2019.11.19)

Published 2019-11-06. Last modified 2026-06-17.