After looking at the updates tab of my host, I see the following are in need of upgrading. Do I need to reboot the host afterwards? I'm also a little wary of doing this via the web GUI after what happened last time...
dpkg
libldap-2.4-2
libnvpair1
libpve-storage-perl
libssl1.0.0
libuutil1
libxml2
libxml2-utils
libzfs2
libzpool2
openssl
proxmox-ve-2.6.32
pve-firewall pve-firmware
pve-kernel-2.6.32-37-pve
pve-manager
pve-qemu-kvm
qemu-server
zfs-doc
dpkg
libldap-2.4-2
libnvpair1
libpve-storage-perl
libssl1.0.0
libuutil1
libxml2
libxml2-utils
libzfs2
libzpool2
openssl
proxmox-ve-2.6.32
pve-firewall pve-firmware
pve-kernel-2.6.32-37-pve
pve-manager
pve-qemu-kvm
qemu-server
zfs-doc