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Medium · 6.2 CVE-2018-25231 EUVD-2018-21720GHSA-8q3v-mp8g-6w48

HeidiSQL 9.5.0.5196 Denial of Service via Preferences

Published Mar 30, 2026 · Updated Mar 30, 2026 · Assigned by VulnCheck

Description

HeidiSQL 9.5.0.5196 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long file path in the logging preferences. Attackers can input a buffer-overflow payload through the SQL log file path field in Preferences > Logging to trigger an application crash.

Affected products

VendorProductAffectedFixed
Heidisql HeidiSQL 9.5.0.5196 —

References