BIT-LIBPHP-2020-7062 Null Pointer Dereference in PHP Session Upload Progress

In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.uploadprogress.cleanup is set to 0 disabled, and the file upload fails, the upload procedure would try to clean up data that does...