This update for ovmf fixes the following issues:
  
- CVE-2023-45229: out-of-bounds read in edk2 when processing IA_NA/IA_TA options in DHCPv6 Advertise messages.
  (bsc#1218879)
- CVE-2023-45230: buffer overflow in the DHCPv6 client in edk2 via a long Server ID option. (bsc#1218880)
- CVE-2023-45231: out-of-bounds read in edk2 when handling a ND Redirect message with truncated options. (bsc#1218881)
- CVE-2023-45232: infinite loop in edk2 when parsing unknown options in the Destination Options header. (bsc#1218882)
- CVE-2023-45233: infinite loop in edk2 when parsing PadN options in the Destination Options header. (bsc#1218883)
- CVE-2023-45234: buffer overflow in edk2 when processing DNS Servers options in a DHCPv6 Advertise message.
  (bsc#1218884)
- CVE-2023-45235: buffer overflow in edk2 when handling the Server ID option in a DHCPv6 proxy Advertise message.
  (bsc#1218885)
- CVE-2023-45236: predictable TCP Initial Sequence Numbers in edk2 network packages. (bsc#1218886)
- CVE-2023-45237: use of a weak pseudorandom number generator in edk2. (bsc#1218887)