Bug #75778 [NEW]: Corrupt PNG image causes non-recoverable fatal PHP error

From: info at e-abi dot ee Operating system: Debian GNU/Linux 9 (stretch) PHP version: 5.6.33 Package: GD related Bug Type: Bug Bug description:Corrupt PNG image causes non-recoverable fatal PHP error Description: ------------ Corrupt PNG image causes non-recoverable fatal PHP error. PHP Fatal error: imagecreatefrompng(): gd-png: fatal libpng error: Read Error Also affected: PHP 7.0.26 PHP 7.1.13 PHP 7.2.1 Test script: --------------- <?php ini_set('display_errors', 1); #actual image location: http://www.knoraki.se/media/ACME_191101_440x440_1.png echo print_r(gd_info(), true); $image = false; $filename = 'ACME_191101_440x440_1.png'; $image = imagecreatefrompng($filename); //$image = getimagesize($filename); if (!$image) { $image = 'failed'; } echo print_r($image, true); Expected result: ---------------- Array ( [GD Version] => bundled (2.1.0 compatible) [FreeType Support] => 1 [FreeType Linkage] => with freetype [T1Lib Support] => [GIF Read Support] => 1 [GIF Create Support] => 1 [JPEG Support] => 1 [PNG Support] => 1 [WBMP Support] => 1 [XPM Support] => 1 [XBM Support] => 1 [WebP Support] => 1 [JIS-mapped Japanese Font Support] => ) Warning: imagecreatefrompng(): gd-png: fatal libpng error: Read Error: truncate d data in D:\Bill-Data\tmp\php-gd-bug\image-test.php on line 8 Warning: imagecreatefrompng(): gd-png error: setjmp returns error condition in D :\Bill-Data\tmp\php-gd-bug\image-test.php on line 8 Warning: imagecreatefrompng(): 'ACME_191101_440x440_1.png' is not a valid PNG fi le in D:\Bill-Data\tmp\php-gd-bug\image-test.php on line 8 failed Actual result: -------------- root@vmi137424:/var/www/magento.eabi.ee/php-gd-bug# php7.1 image-test.php Array ( [GD Version] => 2.2.4 [FreeType Support] => 1 [FreeType Linkage] => with freetype [GIF Read Support] => 1 [GIF Create Support] => 1 [JPEG Support] => 1 [PNG Support] => 1 [WBMP Support] => 1 [XPM Support] => 1 [XBM Support] => 1 [WebP Support] => 1 [JIS-mapped Japanese Font Support] => ) PHP Fatal error: imagecreatefrompng(): gd-png: fatal libpng error: Read Error: truncated data in /var/www/magento.eabi.ee/php-gd-bug/image-test.php on line 8 Fatal error: imagecreatefrompng(): gd-png: fatal libpng error: Read Error: truncated data in /var/www/magento.eabi.ee/php-gd-bug/image-test.php on line 8 #notice how the final "failed" statement is not displayed because the script is halted. -- Edit bug report at https://bugs.php.net/bug.php?id=75778&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75778&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75778&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75778&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75778&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75778&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75778&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75778&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75778&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75778&r=support Expected behavior: https://bugs.php.net/fix.php?id=75778&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75778&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75778&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75778&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75778&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75778&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75778&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75778&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75778&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75778&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75778&r=mysqlcfg