CVE-2018-10191

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.

Score

CVSS 3.1 9.8 Critical

Status

Modified - cve@mitre.org

Published

2018-04-17

Last modified

2024-08-05

Weaknesses

CWE-190

Affected products

• Debian Linux (Debian)
• Mruby (Mruby)

References

• https://github.com/mruby/mruby/commit/1905091634a6a2925c911484434448e568330626
• https://github.com/mruby/mruby/issues/3995
• https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html