CVE-2019-25598: Heidisql Portable

Medium severity, CVSS 6.2. EPSS: 0.1% chance of exploitation in the next 30 days.

HeidiSQL Portable 10.1.0.5464 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the password field. Attackers can paste a buffer overflow payload into the password input during Microsoft SQL Server login to trigger an application crash.

Affected products

• Heidisql Heidisql Portable: version 10.1.0.5464 only

Published 2026-03-22. Last modified 2026-06-17.