SUSE-SU-2021:3575-1 Security update for qemu

This update for qemu fixes the following issues: Security issues fixed: - usbredir: free call on invalid pointer in bufpalloc bsc1189145, CVE-2021-3682 - NULL pointer dereference in ESP bsc1180433, CVE-2020-35504 bsc1180434, CVE-2020-35505 bsc1180435, CVE-2020-35506 - NULL pointer dereference iss...