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Description of problem: Integer overflow in gdImageScaleBilinearPalette() . Upstream report is very descriptive and reproducer presents issue. https://bugs.php.net/bug.php?id=73279 Version-Release number of selected component (if applicable): rh-php56-php-gd-5.6.25-1 Additional Info: Test script: --------------- <?php $src = imagecreate(100, 100); imagecolorallocate($src, 255, 255, 255); $dst = imagescale($src, 200, 200, IMG_BILINEAR_FIXED); printf("color: %x\n", imagecolorat($dst, 99, 99)); Expected result: ---------------- color: ffffff Actual result: -------------- color: fffffffffffefeff
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