Thank you for contacting support.
We have worked with the data shared by you and have been able to reproduce the issue in our environment. A ticket with ID PDFJAVA-38121 has been logged in our issue management system for further investigation and resolution. The ticket ID has been linked with this thread so that you will receive notification as soon as the ticket is resolved.
We are sorry for the inconvenience.
The issues you have found earlier (filed as PDFJAVA-38121) have been fixed in Aspose.PDF for Java 18.11.