Rewterz Threat Advisory – Apache PDFBox denial of service
Apache PDFBox is vulnerable to a denial of service, caused by an OutOfMemory-Exception flaw. By persuading a victim to open a specially-crafted .PDF file, a remote attacker could exploit this vulnerability to cause the application to crash.
Denial of service
Apache PDFBox 2.0.21
Upgrade to the latest version of PDFBox (2.0.22 or later).