Zitat von Forum am 6. August 2022, 00:00 Uhr

Foxit PDF Reader before 12.0.1 and PDF Editor before 12.0.1 allow a NULL pointer dereference when this.Span is used for oState of Collab.addStateModel, because this.Span.text can be NULL.

References
https://drive.google.com/file/d/1WpwDgVRU-Mb792z6dgDoWMXDRSeB8ZLU/view?usp=sharing
https://www.foxit.com/support/security-bulletins.html