The PDF Shadow Attacks are a new class of security vulnerabilities for PDF. In case you need a tldr; then rest assured that iText is immune to the published attacks. However, we also found that iText 7 could be utilized to detect potentially malicious documents, resulting in this series of posts.
In our final release for 2020, we’ve a number of new features and improvements, including improved Core word wrapping for special scripts, full support for CSS background properties in pdfHTML, and much more!