This update for Botan fixes the following issues:
CVE-2015-7827: PKCS #1 v1.5 decoding was not constant time, it could be used to mount a Bleichenbacher million-message attack (bsc#968030)
CVE-2016-9132: While decoding BER length fields, an integer overflow could occur leading to a denial-of-service (bsc#1013209)