This update for qemu fixes the following issues:
The following non-security bug was fixed:
{
    "binaries": [
        {
            "qemu-block-iscsi": "4.2.1-150200.79.1",
            "qemu-lang": "4.2.1-150200.79.1",
            "qemu-block-rbd": "4.2.1-150200.79.1",
            "qemu-ipxe": "1.0.0+-150200.79.1",
            "qemu-ui-gtk": "4.2.1-150200.79.1",
            "qemu-arm": "4.2.1-150200.79.1",
            "qemu-block-curl": "4.2.1-150200.79.1",
            "qemu-microvm": "4.2.1-150200.79.1",
            "qemu-sgabios": "8-150200.79.1",
            "qemu-block-ssh": "4.2.1-150200.79.1",
            "qemu-seabios": "1.12.1+-150200.79.1",
            "qemu-vgabios": "1.12.1+-150200.79.1",
            "qemu": "4.2.1-150200.79.1",
            "qemu-guest-agent": "4.2.1-150200.79.1",
            "qemu-kvm": "4.2.1-150200.79.1",
            "qemu-audio-pa": "4.2.1-150200.79.1",
            "qemu-ui-spice-app": "4.2.1-150200.79.1",
            "qemu-tools": "4.2.1-150200.79.1",
            "qemu-x86": "4.2.1-150200.79.1",
            "qemu-audio-alsa": "4.2.1-150200.79.1",
            "qemu-ui-curses": "4.2.1-150200.79.1"
        }
    ]
}{
    "binaries": [
        {
            "qemu-block-iscsi": "4.2.1-150200.79.1",
            "qemu-lang": "4.2.1-150200.79.1",
            "qemu-block-rbd": "4.2.1-150200.79.1",
            "qemu-ipxe": "1.0.0+-150200.79.1",
            "qemu-ui-gtk": "4.2.1-150200.79.1",
            "qemu-s390": "4.2.1-150200.79.1",
            "qemu-ppc": "4.2.1-150200.79.1",
            "qemu-block-curl": "4.2.1-150200.79.1",
            "qemu-microvm": "4.2.1-150200.79.1",
            "qemu-arm": "4.2.1-150200.79.1",
            "qemu-sgabios": "8-150200.79.1",
            "qemu-block-ssh": "4.2.1-150200.79.1",
            "qemu-seabios": "1.12.1+-150200.79.1",
            "qemu-vgabios": "1.12.1+-150200.79.1",
            "qemu": "4.2.1-150200.79.1",
            "qemu-guest-agent": "4.2.1-150200.79.1",
            "qemu-kvm": "4.2.1-150200.79.1",
            "qemu-audio-pa": "4.2.1-150200.79.1",
            "qemu-ui-spice-app": "4.2.1-150200.79.1",
            "qemu-audio-alsa": "4.2.1-150200.79.1",
            "qemu-x86": "4.2.1-150200.79.1",
            "qemu-tools": "4.2.1-150200.79.1",
            "qemu-ui-curses": "4.2.1-150200.79.1"
        }
    ]
}{
    "binaries": [
        {
            "qemu-block-iscsi": "4.2.1-150200.79.1",
            "qemu-lang": "4.2.1-150200.79.1",
            "qemu-block-rbd": "4.2.1-150200.79.1",
            "qemu-ipxe": "1.0.0+-150200.79.1",
            "qemu-ui-gtk": "4.2.1-150200.79.1",
            "qemu-ppc": "4.2.1-150200.79.1",
            "qemu-block-curl": "4.2.1-150200.79.1",
            "qemu-microvm": "4.2.1-150200.79.1",
            "qemu-vgabios": "1.12.1+-150200.79.1",
            "qemu-block-ssh": "4.2.1-150200.79.1",
            "qemu-seabios": "1.12.1+-150200.79.1",
            "qemu-sgabios": "8-150200.79.1",
            "qemu": "4.2.1-150200.79.1",
            "qemu-guest-agent": "4.2.1-150200.79.1",
            "qemu-tools": "4.2.1-150200.79.1",
            "qemu-kvm": "4.2.1-150200.79.1",
            "qemu-ui-spice-app": "4.2.1-150200.79.1",
            "qemu-audio-pa": "4.2.1-150200.79.1",
            "qemu-x86": "4.2.1-150200.79.1",
            "qemu-audio-alsa": "4.2.1-150200.79.1",
            "qemu-ui-curses": "4.2.1-150200.79.1"
        }
    ]
}