Internet Bug Bounty: Uninitialized read in exif_process_IFD_in_TIFF

This bug can be reproduced only in 32 bit PHP builds. This bug is present in exifprocessIFDinTIFF method of ext/exif/exif.c file. Detailed description and steps to reproduce for this bug is present in bug report submitted to php.net. Bug Report : https://bugs.php.net/bug.php?id=77509 PHP version ...