Buffer overflow in Defaultfuction Customer-Relationship-Management-In-C-Project
CVE-2026-19933
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".
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (34.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.002
Affected products
- Defaultfuction Customer-Relationship-Management-In-C-Project — versions 2.0
Weakness classification (CWE)
References
- vuldb.com/vuln/390704 (technical-description, vdb-entry)
- vuldb.com/vuln/390704/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-19933 (third-party-advisory)
- vuldb.com/submit/872649 (third-party-advisory)
- github.com/DefaultFuction/Customer-Relationship-Management-In-C-Project/issues/1 (issue-tracking, exploit)
- github.com/DefaultFuction/Customer-Relationship-Management-In-C-Project/ (product)
Frequently asked questions
- What is CVE-2026-19933?
- CVE-2026-19933 is a medium-severity vulnerability in Defaultfuction Customer-Relationship-Management-In-C-Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-08-16.
- How severe is CVE-2026-19933?
- Medium severity. CVSS v3 base score is 6.3 out of 10.