CVE-2019-25564 PCHelpWareV2 1.0.0.5 Denial of Service via Group Field
Local attackers can crash PCHelpWareV2 by inputting an excessively long string into the Group field, causing a buffer overflow.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-25564?
CVE-2019-25564 is a medium-severity memory corruption vulnerability in Uvnc PCHelpWareV2, published on 21 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
PCHelpWareV2 1.0.0.5 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Group field. Attackers can paste a buffer overflow payload into the Group property field and click Ok to trigger an application crash.
Weakness: CWE-787
Which versions are affected by CVE-2019-25564?
It affects 1 product.
Products include Uvnc Pchelpwarev2.
How do I fix CVE-2019-25564?
No fix has been published for CVE-2019-25564 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-2019-25564 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25564 exists.
Other vulnerabilities in Uvnc PCHelpWareV2
Sources
Also known as GHSA-3v7v-cgjc-xh4g.