CVEvulnerability

CVE-2020-15866

9.8 CRITICAL Published 2020-07-21 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-07-21
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-787

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.

Affected configurations

• mruby mruby (<= 2.1.1) • mruby mruby 2.1.2 • debian debian linux 9.0

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References