Vulnerability · 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 i…
Published Mar 22, 2026 · catalog updated Jun 17, 2026 · the affected product
Check if you run it
No confirmed exploitation is on record for CVE-2019-25598. EPSS is 0.14%. Act only if a listed version of the affected product is installed.
Gaps on this record
- No plain product name is stored. The page cannot tell you which product to check.
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium6.9
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.14%
- Remediation
- Not established
- Affected products
- See sources for product scope
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.
No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.
How to fix CVE-2019-25598
Recommended remediation
No required-action text, fix commit, or clear fixed-version range is stored yet.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2019-25598. EPSS is 0.14%. Act only if a listed version of the affected product is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-787: Out-of-bounds Write. EPSS 0.14%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 22, 2026 · NIST NVD
Detected
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.
Jun 17, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2019-25598
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2019-25598
30-day exploitation probability 0.1%
first.org - NIST NVDVulnerability recordCVE-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
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.