Security update for libsrtp
This update for libsrtp fixes the following issues:
- Update to 1.5.4:
* Use BE byte ordering of RTCP trailer.
* Allow zero length payload on unprotect.
- Update to new upstream release 1.5.3
* Maintenance release, including fix for CVE-2015-6360 boo#957376
- Submitted by Tomáš Chvátal (scarabeus_iv)
Fixed bugs
bnc#957376
VUL-0: CVE-2015-6360: srtp,libsrtp: Denial of service via crafted RTP header