Security update for tnef
This update for tnef fixes the following issues:
Security issue fixed:
- CVE-2017-8911: Fix underflow problem (boo#1038837).
Bug fixes:
- Update to version 1.4.15:
* Use __builtin_mul_overflow when available.
* Fixing Unicode related bugs introduced in previous release.
* Prevent against various cases of null derefences,
buffer overshooting, and fix some integer overflows.
- Submitted by Andreas Stieger (AndreasStieger)
Fixed bugs
bnc#1038837
VUL-0: CVE-2017-8911: tnef: integer underflow has been identified in the unicode_to_utf8() function