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Medium · 6.2 CVE-2019-25598 EUVD-2019-19938GHSA-cr7j-gv39-4mc2

HeidiSQL Portable 10.1.0.5464 Denial of Service via Buffer Overflow

Published Mar 22, 2026 · Updated Mar 23, 2026 · Assigned by VulnCheck

Description

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

VendorProductAffectedFixed
Heidisql HeidiSQL Portable 10.1.0.5464 —

References