Is CVE-2019-5125 actively exploited?

No active exploitation of CVE-2019-5125 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-5125 be exploited remotely?

No. CVE-2019-5125 requires local access to exploit.

What is the CVSS score of CVE-2019-5125?

CVE-2019-5125 has a CVSS score of 7.8 (HIGH).

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HIGH

CVE-2019-5125

CWE-122Published: November 6, 2019· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2019-5125 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.