CVE-2019-25598

medium

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.

References

https://www.vulncheck.com/advisories/heidisql-portable-denial-of-service-via-buffer-overflow

https://www.heidisql.com/downloads/releases/HeidiSQL_10.1_64_Portable.zip

https://www.heidisql.com/

https://www.exploit-db.com/exploits/46749

Details

Source: Mitre, NVD

Published: 2026-03-22

Updated: 2026-03-22

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 6.2

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

CVSS v4

Base Score: 6.9

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

Severity: Medium