CVE-2019-5066: Aspose Aspose.pdf For C++

Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days.

An exploitable use-after-free vulnerability exists in the way LZW-compressed streams are processed in Aspose.PDF 19.2 for C++. A specially crafted PDF can cause a dangling heap pointer, resulting in a use-after-free condition. To trigger this vulnerability, a specifically crafted PDF document needs to be processed by the target application.

Affected products

• Aspose Aspose.pdf For C++: version 19.2 only

Published 2019-09-18. Last modified 2026-06-17.