1--TEST-- 2Bug #78910: Heap-buffer-overflow READ in exif (OSS-Fuzz #19044) 3--EXTENSIONS-- 4exif 5--FILE-- 6<?php 7 8var_dump(exif_read_data('data:image/jpg;base64,TU0AKgAAAAwgICAgAAIBDwAEAAAAAgAAACKSfCAgAAAAAEZVSklGSUxN')); 9 10?> 11--EXPECTF-- 12Notice: exif_read_data(): Read from TIFF: tag(0x927C, MakerNote): Illegal format code 0x2020, switching to BYTE in %s on line %d 13 14Warning: exif_read_data(): Process tag(x927C=MakerNote): Illegal format code 0x2020, suppose BYTE in %s on line %d 15 16Warning: exif_read_data(): IFD data too short: 0x0000 offset 0x000C in %s on line %d 17 18Warning: exif_read_data(): Error in TIFF: filesize(x002A) less than start of IFD dir(x46494C4F) in %s on line %d 19array(8) { 20 ["FileDateTime"]=> 21 int(0) 22 ["FileSize"]=> 23 int(42) 24 ["FileType"]=> 25 int(8) 26 ["MimeType"]=> 27 string(10) "image/tiff" 28 ["SectionsFound"]=> 29 string(13) "ANY_TAG, IFD0" 30 ["COMPUTED"]=> 31 array(2) { 32 ["IsColor"]=> 33 int(0) 34 ["ByteOrderMotorola"]=> 35 int(1) 36 } 37 ["Make"]=> 38 array(2) { 39 [0]=> 40 int(1179994697) 41 [1]=> 42 int(1179208781) 43 } 44 ["MakerNote"]=> 45 NULL 46} 47
