Bug #73957 [NEW]: signed integer conversion in imagescale()

From: cmb Operating system: * PHP version: 7.0.15RC1 Package: GD related Bug Type: Bug Bug description:signed integer conversion in imagescale() Description: ------------ The int parameters given to imagescale() are converted from zend_long to int without checking their range[1]. This allows for silent truncation, and even worse, the result of signed integer conversion is unspecified if the value cannot be represented by the target type. [1] <https://github.com/php/php-src/blob/PHP-7.0.15/ext/gd/gd.c#L4691-L4725> -- Edit bug report at https://bugs.php.net/bug.php?id=73957&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=73957&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=73957&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=73957&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=73957&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=73957&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=73957&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=73957&r=needscript Try newer version: https://bugs.php.net/fix.php?id=73957&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=73957&r=support Expected behavior: https://bugs.php.net/fix.php?id=73957&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=73957&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=73957&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=73957&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73957&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=73957&r=dst IIS Stability: https://bugs.php.net/fix.php?id=73957&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=73957&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=73957&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=73957&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=73957&r=mysqlcfg