CVE-2020-15866

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2020-15866
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-15866.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-15866
Downstream
Published
2020-07-21T15:15:14.537Z
Modified
2026-04-11T12:32:22.605830Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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

Database specific 
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "last_affected": "9.0"
                }
            ],
            "cpe": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
            "source": "CPE_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/mruby/mruby

Affected ranges

Type
GIT
Repo
https://github.com/mruby/mruby
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
f9d113f7647121f8578742a2a9ac256ece365e3f
Last affected
b6b9c57f247a26fb5dbea129cd81fcc9b7d485a3
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.1.1"
        },
        {
            "last_affected": "2.1.2-rc"
        }
    ],
    "cpe": [
        "cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*",
        "cpe:2.3:a:mruby:mruby:2.1.2:rc:*:*:*:*:*:*"
    ],
    "source": "CPE_FIELD"
}

Affected versions

1.*
1.0.0
1.1.0
1.2.0
2.*
2.1.1
2.1.1-rc
2.1.1-rc2
2.1.2-rc

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-15866.json"