Medium 6.2Published Mar 22, 2026

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

Updated under an hour ago (Oct 26, 2026, 6:40 AM ET)

Does this affect you?

It affects HeidiSQL Portable. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for HeidiSQL Portable

Exploited in the last 30 days

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: 6.2 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-787
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Mar 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Heidisql HeidiSQL Portable heidisql:portable (from the name)	10.1.0.5464	CNA record

References

https://www.exploit-db.com/exploits/46749exploit
https://www.heidisql.com/product
https://www.heidisql.com/downloads/releases/HeidiSQL_10.1_64_Portable.zipproduct
https://www.vulncheck.com/advisories/heidisql-portable-denial-of-service-via-buffer-overflowthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.