Bug #74910 [NEW]: getimagesize on SWC files returns zero width and height

From: adam dot rosadzinski at home dot net dot pl Operating system: Arch Linux PHP version: Irrelevant Package: Zlib related Bug Type: Bug Bug description:getimagesize on SWC files returns zero width and height Description: ------------ Since zlib 1.2.9 has been released, changes in uncompress function exposed problem in php_handle_swc function from ext/standard/image.c Before 1.2.9, uncompress didn't touch destBytes value on failure. As of 1.2.9 it will be set to 0. No data will be copied if first uncompress call fails, as len value will be changed to 0 and then used to copy uncompressed data from temporary buffer. Verified on PHP: 5.2, 5.3, 5.4, 5.5, 5.6, 7.0, 7.1 -- Edit bug report at https://bugs.php.net/bug.php?id=74910&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=74910&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=74910&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=74910&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=74910&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=74910&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=74910&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=74910&r=needscript Try newer version: https://bugs.php.net/fix.php?id=74910&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=74910&r=support Expected behavior: https://bugs.php.net/fix.php?id=74910&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=74910&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=74910&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=74910&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=74910&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=74910&r=dst IIS Stability: https://bugs.php.net/fix.php?id=74910&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=74910&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=74910&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=74910&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=74910&r=mysqlcfg