The libguestfs packages contain a library, which is used for accessing and modifying virtual machine disk images. Virt-v2v converts guests from a foreign hypervisor to run on KVM. The following packages have been upgraded to a newer upstream version: libguestfs , virt-v2v . Security Fix: * An integer conversion flaw was found in the way OCaml"s String handled its length. Certain operations on an excessively long String could trigger a buffer overflow or result in an information leak.