CVE-2019-25469 Folder Lock 7.7.9 Denial of Service via Serial Number Field
Local attackers can crash Folder Lock by pasting oversized data into the serial number field, causing a denial of service.
- 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-2019-25469?
CVE-2019-25469 is a medium-severity denial of service vulnerability in Newsoftwares Folder Lock, 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
Folder Lock 7.7.9 contains a buffer overflow vulnerability in the serial number registration field that allows local attackers to crash the application by submitting an oversized payload. Attackers can paste a 6000-byte buffer of arbitrary data into the 'Serial Number and Registration Key' field to trigger a denial of service condition.
Weakness: CWE-787
Which versions are affected by CVE-2019-25469?
How do I fix CVE-2019-25469?
No fix has been published for CVE-2019-25469 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-25469 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25469 exists.
Sources
Also known as GHSA-j5rx-6c64-rvcf.