libidn2 vulnerabilities (OSS-Fuzz)

2 vulnerabilities.

• libidn2 OSS-Fuzz Use-of-uninitialized-value in _idn2_punycode_decode OSV-2020-480 Fix available No scoreJuly 1, 2020
• libidn2 OSS-Fuzz Heap-buffer-overflow in idn2_to_ascii_4i OSV-2020-417 Fix available No scoreJuly 1, 2020