Red Hat Security Advisory: unbound security, bug fix, and enhancement update

CVE-2019-25032 — unbound: integer overflow in the regional allocator via regional_alloc CVE-2019-25034 — unbound: integer overflow in sldns_str2wire_dname_buf_origin can lead to an out-of-bounds write CVE-2019-25035 — unbound: out-of-bounds write in sldns_bget_token_par CVE-2019-25036 — unbound: assertion failure and denial of service in synth_cname CVE-2019-25037 — unbound: assertion failure and denial of service in dname_pkt_copy via an invalid packet CVE-2019-25038 — unbound: integer overflow in a size calculation in dnscrypt/dnscrypt.c CVE-2019-25039 — unbound: integer overflow in a size calculation in respip/respip.c CVE-2019-25040 — unbound: infinite loop via a compressed name in dname_pkt_copy CVE-2019-25041 — unbound: assertion failure via a compressed name in dname_pkt_copy CVE-2019-25042 — unbound: out-of-bounds write via a compressed name in rdata_copy CVE-2020-28935 — unbound: symbolic link traversal when writing PID file