CVE-2019-25598

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.

CVSS v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.exploit-db.com/exploits/46749
https://www.heidisql.com/
https://www.heidisql.com/downloads/releases/HeidiSQL_10.1_64_Portable.zip
https://www.vulncheck.com/advisories/heidisql-portable-denial-of-service-via-buffer-overflow

Configurations

No configuration.

History

22 Mar 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-22 14:16

Updated : 2026-03-23 14:31

NVD link : CVE-2019-25598

Mitre link : CVE-2019-25598

CVE.ORG link : CVE-2019-25598

JSON object : View

Products Affected

No product.

CWE

CWE-787

Out-of-bounds Write

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