This could be a bug in the TIFF plugin.
Hard to say without debugging it.

-phil.


On 5/17/22 7:04 AM, Michal Karm wrote:
Hello,

There used to be an Unsupported Image Type exception thrown
when one wanted to decode a TIFF container with JPEG compressed image.

That behavior has changed, there is no exception now, although the
resulting image is incorrect.

I outlined the details in this doc [1], including a small reproducer.

The test image is not anything from a fuzzer, it's just me
clicking Export As in GIMP.

Thanks for feedback

Cheers
Karm


[1] https://urldefense.com/v3/__https://github.com/Karm/dev-null/blob/main/jpegtiff/README.md__;!!ACWV5N9M2RV99hQ!Kw41ShsuTSfpVPMZFrXmdQ7ZETNdkLTk9Xd1NDWELvCXV0fyIqg4sXi5Z1aYfjMoG-5fS0gki8dnN8bQjSYM0g$

Karm Michal Babacek


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