CVE-2019-19943: Pablosoftwaresolutions Quick 'n Easy Web Server

High severity, CVSS 7.5. EPSS: 4.3% chance of exploitation in the next 30 days.

The HTTP service in quickweb.exe in Pablo Quick 'n Easy Web Server 3.3.8 allows Remote Unauthenticated Heap Memory Corruption via a large host or domain parameter. It may be possible to achieve remote code execution because of a double free.

Affected products

• Pablosoftwaresolutions Quick 'n Easy Web Server: up to and including 3.3.8

Published 2020-02-28. Last modified 2026-06-17.