group.of.nepali.translators team mailing list archive

[Marc Deslauriers <marc.deslauriers@xxxxxxxxxxxxx>]

Thanks for reporting this issue and for the updated patch. I'll prepare
a security regression updates and will publish them this week, likely
tomorrow.

Thanks!

** Also affects: tiff (Ubuntu Yakkety)
   Importance: Undecided
       Status: New

** Also affects: tiff (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: tiff (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Changed in: tiff (Ubuntu Trusty)
     Assignee: (unassigned) => Marc Deslauriers (mdeslaur)

** Changed in: tiff (Ubuntu Xenial)
     Assignee: (unassigned) => Marc Deslauriers (mdeslaur)

** Changed in: tiff (Ubuntu Trusty)
       Status: New => Confirmed

** Changed in: tiff (Ubuntu Xenial)
       Status: New => Confirmed

** Changed in: tiff (Ubuntu Yakkety)
       Status: New => Confirmed

** Changed in: tiff (Ubuntu Yakkety)
     Assignee: (unassigned) => Marc Deslauriers (mdeslaur)

** Changed in: tiff (Ubuntu)
       Status: Confirmed => Invalid

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Matching subscriptions: Ubuntu 16.04 Bugs
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:
  New
Status in tiff package in Ubuntu:
  Invalid
Status in tiff source package in Trusty:
  Confirmed
Status in tiff source package in Xenial:
  Confirmed
Status in tiff source package in Yakkety:
  Confirmed

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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