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. CREATE(Triage):(User=admin) [CVE-2020-10531|https://nvd.nist.gov/vuln/detail/CVE-2020-10531]
