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7.5
CVSSv2

CVE-2020-15866

Published: 21/07/2020 Updated: 12/05/2022
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
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Vulnerability Summary

mruby up to and including 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.

Vulnerability Trend

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mruby mruby 2.1.2

mruby mruby

debian debian linux 9.0

Vendor Advisories

Debian CVElist Bug Report Logs: CVE-2020-15866
Debian Bug report logs - #972051 CVE-2020-15866 Package: mruby; Maintainer for mruby is Nobuhiro Iwamatsu <iwamatsu@debianorg>; Source for mruby is src:mruby (PTS, buildd, popcon) Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Sun, 11 Oct 2020 21:15:04 UTC Severity: grave Tags: security, upstream Forwar ...

References

CWE-787https://github.com/mruby/mruby/issues/5042https://lists.debian.org/debian-lts-announce/2022/05/msg00006.htmlhttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=972051https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-30924CVE-2024-3400overflowCVE-2024-23528CVE-2024-21338CVE-2024-3818CVE-2024-23535NULL pointer dereferenceelevation of privilege
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