libspice: Insufficient guest provided pointers validation

libspice, as used in QEMU-KVM in the Hypervisor aka rhev-hypervisor in Red Hat Enterprise Virtualization RHEV 2.2 and qspice 0.3.0, does not properly validate guest QXL driver pointers, which allows guest OS users to cause a denial of service invalid pointer dereference and guest OS crash or...

qspice security update

0.3.0-54.el55.2 - Fix unsafe accesses + spice: drop libpng from windows components 537849 + libspice: fix unsafe guest data accessing Resolves: 568719 + fix unsafe free call. Resolves: 568723 + spice server: fix unsafe cursor items handling. Resolves: 568719...