CVE-2019-25598 MEDIUM

CVE-2019-25598: HeidiSQL Portable 10.1.0.5464 Denial of Service via Buffer Overflow

Vendor Heidisql
Product HeidiSQL Portable
Weakness CWE-787
Published March 22, 2026
Last update March 23, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 22, 2026 CVE published
March 23, 2026 Record updated