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Skip fill bytes (0xFF) when decoding JPEG images (issue 5331)

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Jonas Jenwald 2015-02-14 00:08:43 +01:00
parent 8614c17c1d
commit 3651c9e1f7
1 changed files with 7 additions and 0 deletions
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7
src/core/jpg.js
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@ -792,6 +792,13 @@ var JpegImage = (function jpegImage() {
successiveApproximation >> 4, successiveApproximation & 15); successiveApproximation >> 4, successiveApproximation & 15);
offset += processed; offset += processed;
break; break;
case 0xFFFF: // Fill bytes
if (data[offset] !== 0xFF) { // Avoid skipping a valid marker.
offset--;
}
break;
default: default:
if (data[offset - 3] === 0xFF && if (data[offset - 3] === 0xFF &&
data[offset - 2] >= 0xC0 && data[offset - 2] <= 0xFE) { data[offset - 2] >= 0xC0 && data[offset - 2] <= 0xFE) {