What’s Vulnerable › Vulnerabilities

CVE-2018-25231: HeidiSQL 9.5.0.5196 Denial of Service via Preferences

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-30 · updated 2026-10-07
• Weakness: CWE-98

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

• HeidiSQL: through 9.5.0.5196

References

• https://www.exploit-db.com/exploits/45806
• https://www.heidisql.com/
• https://www.heidisql.com/download.php
• https://www.vulncheck.com/advisories/heidisql-denial-of-service-via-preferences

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