CVE-2019-5064: Opencv

High severity, CVSS 8.8. EPSS: 10.7% chance of exploitation in the next 30 days.

An exploitable heap buffer overflow vulnerability exists in the data structure persistence functionality of OpenCV, before version 4.2.0. A specially crafted JSON file can cause a buffer overflow, resulting in multiple heap corruptions and potentially code execution. An attacker can provide a specially crafted file to trigger this vulnerability.

Affected products

• Opencv Opencv: from 4.0.0, before 4.2.0 (fixed in 4.2.0)
• Oracle Application Testing Suite: version 13.3.0.1 only
• Oracle Big Data Spatial And Graph: before 2.0 (fixed in 2.0)
• Oracle Enterprise Manager Base Platform: version 13.4.0.0 only

Published 2020-01-03. Last modified 2026-06-17.