This update for tiff fixes the following issues:

Security issues fixed:

- CVE-2018-19210: Fixed NULL pointer dereference in the TIFFWriteDirectorySec function (bsc#1115717).
- CVE-2017-12944: Fixed denial of service issue in the TIFFReadDirEntryArray function (bsc#1054594).
- CVE-2016-10094: Fixed heap-based buffer overflow in the _tiffWriteProc function (bsc#1017693).
- CVE-2016-10093: Fixed heap-based buffer overflow in the _TIFFmemcpy function (bsc#1017693).
- CVE-2016-10092: Fixed heap-based buffer overflow in the TIFFReverseBits function (bsc#1017693).
- CVE-2016-6223: Fixed out-of-bounds read on memory-mapped files in TIFFReadRawStrip1() and TIFFReadRawTile1() (bsc#990460).