by Kastro
Paper/Archive/CVE-2020-15866

CVE-2020-15866

mitre — 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.

EPSS 2%CVSS 9.8
critical.is priorityof 100
46
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 81.9.819 × 2016.4No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refgithub.com/mruby/mruby/issues/5042reflists.debian.org/debian-lts-announce/2022/05/msg00006.html