CVE-2018-25231

HeidiSQL 9.5.0.5196 Denial of Service via Preferences

CVSS 6.9 MEDIUMEPSS 0.2%CWE-98

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 6.9EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

30 Mar 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

HeidiSQL 9.5.0.5196 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long file path in the logging preferences. Attackers can input a buffer-overflow payload through the SQL log file path field in Preferences > Logging to trigger an application crash.

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

Affected products

Heidisql · HeidiSQL

public PoCs found — 1

cve_referencewww.exploit-db.com/exploits/45806unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://www.exploit-db.com/exploits/45806 https://www.heidisql.com/https://www.heidisql.com/download.php https://www.vulncheck.com/advisories/heidisql-denial-of-service-via-preferences