CVE-2026-19933 PUBLISHED

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".

• Practice (VulDB User) reporter
• VulDB CNA Team coordinator

• VDB-390704 | DefaultFuction Customer-Relationship-Management-In-C-Project Customer Search gets stack-based overflow
• VDB-390704 | CTI Indicators (IOB, IOC, IOA)
• CVE-2026-19933 | CVE Analysis and Report
• Submit #872649 | DefaultFuction CRM V2.0 Buffer Overflow
• https://github.com/DefaultFuction/Customer-Relationship-Management-In-C-Project/issues/1
• https://github.com/DefaultFuction/Customer-Relationship-Management-In-C-Project/

• Stack-based Buffer Overflow CWE
• Memory Corruption CWE