tiff: security update
libtiff security update:
* CVE-2013-1961.patch [bnc#818117]
* CVE-2013-1960.patch [bnc#817573]
- Submitted by Stefan Lijewski (lijews)
Fixed bugs
bnc#818117
VUL-0: libtiff: CVE-2013-1961: Stack-based buffer overflow with malformed image-length and resolution
bnc#817573
VUL-0: libtiff: CVE-2013-1960: Heap-based buffer overflow in t2_process_jpeg_strip()