SUSE-SU-2020:1180-1 Security update for icu

This update for icu fixes the following issues: - CVE-2020-10531: Fixed integer overflow in UnicodeString:doAppend bsc1166844...

CVE-2020-10531

An issue was discovered in International Components for Unicode ICU for C/C++ through 66.1. An integer overflow, leading to a heap-based buffer overflow, exists in the UnicodeString::doAppend function in common/unistr.cpp...