CVE-2020-15866

critical

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.

References

https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html

https://github.com/mruby/mruby/issues/5042

Details

Source: Mitre, NVD

Published: 2020-07-21

Updated: 2022-05-12

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

Detections

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