CVE-2019-5064
CVSS v3
8.8
HIGH
EPSS Score
10.7 %
exploit probability, as of 2026-10-05
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2020-01-03
Frequently asked questions
What is CVE-2019-5064?
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.
Is CVE-2019-5064 actively exploited?
Active exploitation of CVE-2019-5064 has not been confirmed. Its EPSS score was 10.7% on 2026-10-05, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-5064?
CVE-2019-5064 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2019-5064 affecting your environment?
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