CVE-2026-19933 DefaultFuction Customer-Relationship-Management-In-C-Project Customer Search gets stack-based overflow
A stack-based buffer overflow in the Customer Search module allows remote attackers to execute arbitrary code or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19933?
CVE-2026-19933 is a medium-severity memory corruption vulnerability in DefaultFuction Customer-Relationship-Management-In-C-Project, published on 16 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in DefaultFuction Customer-Relationship-Management-In-C-Project 2.0. Impacted is the function gets of the component Customer Search Module. This manipulation causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The project confirms, that "it’s being processed".
Which versions are affected by CVE-2026-19933?
How do I fix CVE-2026-19933?
No fix has been published for CVE-2026-19933 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-2026-19933 being exploited?
There is no known exploitation of CVE-2026-19933 in the wild and no public exploit code.
Sources
Also known as GHSA-w5gq-mqrx-5j28.