This update for tiff fixes the following issues:

Security issues fixed:

- CVE-2018-19210: Fixed a NULL pointer dereference in TIFFWriteDirectorySec function (bsc#1115717).     
- CVE-2018-17000: Fixed a NULL pointer dereference in the _TIFFmemcmp function (bsc#1108606).
- CVE-2019-6128: Fixed a memory leak in the TIFFFdOpen function in tif_unix.c (bsc#1121626).
- CVE-2019-7663: Fixed an invalid address dereference in the
  TIFFWriteDirectoryTagTransfer function in libtiff/tif_dirwrite.c (bsc#1125113)