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#525: Fix for negative arrays size in old style JPEG in TIFF.

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Harald Kuhr
2020-04-15 13:28:56 +02:00
parent cd6a6258b6
commit 96cb3a07f4
3 changed files with 27 additions and 5 deletions
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imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReader.java
+6 -5
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@@ -1293,21 +1293,22 @@ public final class TIFFImageReader extends ImageReaderBase {
imageInput.seek(stripTileOffsets[0]);
if ((short) (imageInput.readByte() << 8 | imageInput.readByte()) == (short) JPEG.SOS) {
int len = 2 + (imageInput.readByte() << 8 | imageInput.readByte());
processWarningOccurred("Incorrect StripOffsets/TileOffsets, points to SOS marker, ignoring offsets/byte counts.");
int len = 2 + (imageInput.readUnsignedByte() << 8 | imageInput.readUnsignedByte());
stripTileOffsets[0] += len;
stripTileByteCounts[0] -= len;
}
// We'll prepend each tile with a JFIF "header" (SOI...SOS)
imageInput.seek(realJPEGOffset);
jpegHeader = new byte[(int) (stripTileOffsets[0] - realJPEGOffset)];
jpegHeader = new byte[Math.max(0, (int) (stripTileOffsets[0] - realJPEGOffset))];
imageInput.readFully(jpegHeader);
}
// In case of single tile, make sure we read the entire JFIF stream
if (stripTileByteCounts != null && stripTileByteCounts.length == 1) {
// TODO: Consider issue warning here!
stripTileByteCounts[0] = Math.max(stripTileByteCounts[0], jpegLength);
if (stripTileByteCounts != null && stripTileByteCounts.length == 1 && stripTileByteCounts[0] < jpegLength) {
processWarningOccurred("Incorrect StripByteCounts/TileByteCounts for single tile, using JPEGInterchangeFormatLength instead.");
stripTileByteCounts[0] = jpegLength;
}
// Read data