CVE-2019-5125

Name: CVE-2019-5125
Creator: NVD / NIST
Published: 2019-11-06T20:15:10.24+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.99%

Last modified Jun 17, 2026

CVE-2019-5125 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 1.99% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.99%

78.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Leadtools	Leadtools	< 20.0.2019.11.19

References

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0916Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0916Exploit, Third Party Advisory

Timeline

Published: Nov 6, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-5125?

How severe is CVE-2019-5125?

CVE-2019-5125 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.99% probability of exploitation in the next 30 days.

How do I fix CVE-2019-5125?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-5125?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST