CVE-2018-25243 FastTube 1.0.1.0 Denial of Service via Search
Local attackers can crash the FastTube application by submitting an excessively long string to the search functionality.
- 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-2018-25243?
CVE-2018-25243 is a medium-severity denial of service vulnerability in FastTube, published on 4 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
FastTube 1.0.1.0 contains a denial of service vulnerability that allows local attackers to crash the application by submitting an excessively long string to the search functionality. Attackers can paste a buffer of 1900 characters into the search bar and trigger a crash when the search operation is executed.
Weakness: CWE-763
Which versions are affected by CVE-2018-25243?
How do I fix CVE-2018-25243?
No fix has been published for CVE-2018-25243 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-2018-25243 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25243 exists.
Sources
Also known as GHSA-jj4j-g7fm-jrc5.