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** Changed in: libtiff
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1670036

Title:
  Misapplied patches in 4.0.6-2ubuntu0.1 break reading and writing JPEG
  compressed files

Status in LibTIFF:
  Fix Released
Status in tiff package in Ubuntu:
  Invalid
Status in tiff source package in Trusty:
  Fix Released
Status in tiff source package in Xenial:
  Fix Released
Status in tiff source package in Yakkety:
  Fix Released

Bug description:
  The patches applied to libtiff 4.0.6 in 4.0.6-2ubuntu01 seem to break
  JPEG tiff read and write.

  To reproduce:

  $ tiffcp -c jpeg k2a.tif x.tif

  (where k2a.tif is a simple uncompressed RGB strip tiff) appears to
  work. However, x.tif, the output, will now not read without warnings:

  $ tiffcp x.tif y.tif
  TIFFFetchNormalTag: Warning, ASCII value for tag "JPEGTables" does not end in null byte. Forcing it to be null.
  JPEGLib: Warning, Premature end of JPEG file.

  This was working fine until a couple of days ago, so I guess it's one
  of the most recent patches.

  Some packages using libtiff seem to be broken too. For example,
  openslide, which uses libtiff to load jp2k-compressed slide images, is
  no longer working:

  $ openslide-write-png CMU-1-Small-Region.svs 0 0 0 100 100 x.png
  TIFFFetchNormalTag: Warning, ASCII value for tag "JPEGTables" does not end in null byte. Forcing it to be null.
  TIFFFetchNormalTag: Warning, ASCII value for tag "JPEGTables" does not end in null byte. Forcing it ... repeats 8 more times
  openslide-write-png: Premature end of JPEG file

  and x.png is not a valid PNG image.  The test .svs image may be
  downloaded here:

  http://openslide.cs.cmu.edu/download/openslide-testdata/Aperio/

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