Relevant also for this group. Internal libtiff has just been patched with the changes mentioned below.

I'd recommend sticking with libjpeg-turbo (preferred option) or IJG libjpeg 6b, 7.x or 8.x

Even


-------- Message transféré --------
Sujet :         [Tiff] Caution if using mozjpeg and IJG libjpeg 9d
Date :  Tue, 15 Jun 2021 17:33:44 +0200
De :    Even Rouault <even.roua...@spatialys.com>
Pour :  t...@lists.osgeo.org <t...@lists.osgeo.org>



Hi,

A word of caution for those using mozjpeg or IJG libjpeg 9d for creating JPEG-in-TIFF files. It has been found that current libtiff releases can generate non-conformant (mozjpeg case) or broken (libjpeg 9d case) files. See https://gitlab.com/libtiff/libtiff/-/issues/266 for more details.

https://gitlab.com/libtiff/libtiff/-/merge_requests/254 and https://gitlab.com/libtiff/libtiff/-/merge_requests/255 have been merged with workarounds to make libtiff work with those JPEG libraries.

Even

--
http://www.spatialys.com
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