CVE-2007-5397: Activepdf Server

High severity, CVSS 7.5. EPSS: 2.9% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the activePDF Server service (aka APServer.exe) in activePDF Server 3.8.4 and 3.8.5.14, and possibly other versions before 3.8.6.16, allows remote attackers to execute arbitrary code via a packet with a size field that is less than the actual size of the data.

Affected products

• Activepdf Server: up to and including 3.8.4; up to and including 3.8.5.14

Published 2008-02-28. Last modified 2026-06-16.