CVE-2019-25013: A buffer overflow has been fixed in the iconv function when
invoked with EUC-KR input containing invalid multibyte input sequences.
+ CVE-2020-29562: An assertion failure has been fixed in the iconv function
+ when invoked with UCS4 input containing an invalid character.
+
CVE-2020-27618: An infinite loop has been fixed in the iconv program when
invoked with input containing redundant shift sequences in the IBM1364,
IBM1371, IBM1388, IBM1390, or IBM1399 character sets.