CVE-2020-6840

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Source
https://cve.org/CVERecord?id=CVE-2020-6840
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-6840.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-6840
Downstream
Published
2020-01-11T03:15:11.090Z
Modified
2026-07-08T17:56:46.293560Z
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

In mruby 2.1.0, there is a use-after-free in hash_slice in mrbgems/mruby-hash-ext/src/hash-ext.c.

References

Affected packages

Git / github.com/mruby/mruby

Affected ranges

Type
GIT
Repo
https://github.com/mruby/mruby
Events
Introduced
57a56ddaa26d1bb7d67c8dde435b2e08dc17290f
Last affected
57a56ddaa26d1bb7d67c8dde435b2e08dc17290f
Database specific 
{
    "cpe": "cpe:2.3:a:mruby:mruby:2.1.0:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "2.1.0"
        },
        {
            "last_affected": "2.1.0"
        }
    ],
    "source": "CPE_STRING"
}

Affected versions

2.*
2.1.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-6840.json"