CVE-2018-10191
CRITICAL9.8EPSS 1.3%Published: 4/17/2018Modified: 4/28/2026
Also known as:DEBIAN-CVE-2018-10191
Description
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.
Affected packages (1)
- Debian/mrubyfrom 0, < 1.4.0+20180418+git54905e98-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |