CVE-2019-25598
CVE-2019-25598 is a medium-severity vulnerability with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 6.2)
- CVSS v4: 6.9
- EPSS exploit prediction: 0% (4th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2019-19938
- Weakness: CWE-787
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2019-25598?
- CVE-2019-25598 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2019-25598 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2019-25598?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2019-25598 have an EU (EUVD) identifier?
- Yes. CVE-2019-25598 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19938.
- When was CVE-2019-25598 published?
- CVE-2019-25598 was published on 2026-03-22 and last updated on 2026-06-17.
References
- 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
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