CVE-2019-25475 SQL Server Password Changer 1.90 Denial of Service Buffer Overflow
Local attackers can crash the SQL Server Password Changer application by supplying oversized payloads to specific input fields.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-25475?
CVE-2019-25475 is a medium-severity memory corruption vulnerability in Top-Password SQL Server Password Changer Denial of Service Exploit, published on 11 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
SQL Server Password Changer 1.90 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized payload. Attackers can inject 6000 bytes of data into the User Name and Registration Code field to trigger a denial of service condition.
Weakness: CWE-787
Which versions are affected by CVE-2019-25475?
How do I fix CVE-2019-25475?
No fix has been published for CVE-2019-25475 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-25475 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25475 exists.
Sources
Also known as GHSA-8qr2-9g37-6m2f.