In versions of mruby up to and including 1.4.0, an integer overflow exists in src/vm.c::mrb_vm_exec() when handling OP_GETUPVAR in the presence of deep scope nesting, resulting in a use-after-free. An attacker that can cause Ruby code to be run can use this to possibly execute arbitrary code.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
---|---|---|
mruby mruby |
||
debian debian linux 9.0 |