Cisco Talos recently discovered two code execution vulnerabilities and an information disclosure flaw in Nitro Pro PDF reader. Nitro PDF allows users to save, read, sign and edit PDFs on their computers. The software contains vulnerabilities that could allow adversaries to carry out a variety of actions. An update is available for affected customers. The following SNORT rules will detect exploitation attempts: 53036, 53037, 53039, 53114, 53115, 53265, 53266.”]
Source: https://blog.talosintelligence.com/2020/05/vuln-spotlight-Nitro-pro-pdf-may-2020.html