What’s Vulnerable › Vulnerabilities

CVE-2019-5154

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-12 · updated 2026-06-17
• Weakness: CWE-122

Description

An exploitable heap overflow vulnerability exists in the JPEG2000 parsing functionality of LEADTOOLS 20.0.2019.3.15. A specially crafted J2K image file can cause an out of bounds write of a null byte in a heap buffer, potentially resulting in code execution. An attack can specially craft a J2K image to trigger this vulnerability.

Affected products

• LEADTOOLS: 20.0.2019.3.15

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2019-0945
• https://talosintelligence.com/vulnerability_reports/TALOS-2019-0945

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