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Do not trust JPEG decoder to determine image is CMYK

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This commit is contained in:
Andrew Murray 2022-11-30 13:49:07 +11:00
parent 0ec32a3012
commit 3ec8fa6147
1 changed files with 3 additions and 0 deletions
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src/PIL/BlpImagePlugin.py
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@ -373,6 +373,9 @@ class BLP1Decoder(_BLPBaseDecoder):
data = BytesIO(data) data = BytesIO(data)
image = JpegImageFile(data) image = JpegImageFile(data)
Image._decompression_bomb_check(image.size) Image._decompression_bomb_check(image.size)
if image.mode == "CMYK":
decoder_name, extents, offset, args = image.tile[0]
image.tile = [(decoder_name, extents, offset, (args[0], "CMYK"))]
r, g, b = image.convert("RGB").split() r, g, b = image.convert("RGB").split()
image = Image.merge("RGB", (b, g, r)) image = Image.merge("RGB", (b, g, r))
self.set_as_raw(image.tobytes()) self.set_as_raw(image.tobytes())