CVE-2020-15866

PoC —

CVSS 3.1

9.8 critical

EPSS

2%p81

Published

Jul 21, 2020 (Jul 21, 2020)

Modified

Jun 17, 2026

Description

mruby through 2.1.2-rc has a heap-based buffer overflow in the mrb_yield_with_class function in vm.c because of incorrect VM stack handling. It can be triggered via the stack_copy function.

Vendors: mruby debian
Products: mruby, debian linux
Weakness: CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.1%)

In the news0 stories

No ingested article mentions this CVE yet.