OSV-2022-1059 Heap-buffer-overflow in asn_build_unsigned_int64

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52465 Crash type: Heap-buffer-overflow WRITE 1 Crash state: asnbuildunsignedint64 snmpbuildvarop snmppdubuild...