CVE-2021-42780: Fixed use after return in insertpin() (bsc#1192005). CVE-2021-42779: Fixed use after free in scfile_valid() (bsc#1191992). CVE-2021-42781: Fixed multiple heap buffer overflows in pkcs15-oberthur.c (bsc#1192000). CVE-2021-42782: Stack buffer overflow issues in various places (bsc#1191957).