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Incorrect error code checking in TiffDecode.c
* since Pillow 8.1.0 * CVE-2021-25289
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BIN
Tests/images/crash-0e16d3bfb83be87356d026d66919deaefca44dac.tif
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Tests/images/crash-0e16d3bfb83be87356d026d66919deaefca44dac.tif
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Tests/images/crash-1152ec2d1a1a71395b6f2ce6721c38924d025bf3.tif
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Tests/images/crash-1152ec2d1a1a71395b6f2ce6721c38924d025bf3.tif
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@ -24,6 +24,8 @@ from .helper import on_ci
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"Tests/images/crash_1.tif",
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"Tests/images/crash_1.tif",
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"Tests/images/crash_2.tif",
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"Tests/images/crash_2.tif",
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"Tests/images/crash-2020-10-test.tif",
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"Tests/images/crash-2020-10-test.tif",
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"Tests/images/crash-1152ec2d1a1a71395b6f2ce6721c38924d025bf3.tif",
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"Tests/images/crash-0e16d3bfb83be87356d026d66919deaefca44dac.tif",
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],
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],
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)
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)
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@pytest.mark.filterwarnings("ignore:Possibly corrupt EXIF data")
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@pytest.mark.filterwarnings("ignore:Possibly corrupt EXIF data")
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@ -282,8 +282,7 @@ _decodeStripYCbCr(Imaging im, ImagingCodecState state, TIFF *tiff) {
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img.row_offset = state->y;
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img.row_offset = state->y;
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rows_to_read = min(rows_per_strip, img.height - state->y);
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rows_to_read = min(rows_per_strip, img.height - state->y);
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if (TIFFRGBAImageGet(&img, (UINT32 *)state->buffer, img.width, rows_to_read) ==
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if (!TIFFRGBAImageGet(&img, (UINT32 *)state->buffer, img.width, rows_to_read)) {
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-1) {
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TRACE(("Decode Error, y: %d\n", state->y));
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TRACE(("Decode Error, y: %d\n", state->y));
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state->errcode = IMAGING_CODEC_BROKEN;
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state->errcode = IMAGING_CODEC_BROKEN;
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goto decodeycbcr_err;
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goto decodeycbcr_err;
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