CVE-2020-36401

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-36401
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-36401.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-36401
Downstream
Published
2021-07-01T03:15:07Z
Modified
2025-09-16T07:12:33.277073Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

mruby 2.1.2 has a double free in mrbdefaultallocf (called from mrbfree and objfree).

References

Affected packages

Debian:11 / mruby

Package

Name
mruby
Purl
pkg:deb/debian/mruby?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.2-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / mruby

Package

Name
mruby
Purl
pkg:deb/debian/mruby?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.2-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / mruby

Package

Name
mruby
Purl
pkg:deb/debian/mruby?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.2-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / mruby

Package

Name
mruby
Purl
pkg:deb/debian/mruby?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.2-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

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
Fixed
97319697c8f9f6ff27b32589947e1918e3015503

Affected versions

1.*

1.0.0
1.1.0
1.2.0
1.3.0
1.4.0
1.4.1

2.*

2.0.0
2.0.1
2.1.0
2.1.0-rc
2.1.1
2.1.1-rc
2.1.1-rc2

Database specific 

{
    "vanir_signatures": [
        {
            "source": "https://github.com/mruby/mruby/commit/97319697c8f9f6ff27b32589947e1918e3015503",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Line",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "257450489011316511620633402431798244724",
                    "291664367464202302924807726550456561833",
                    "283430232777236476392833576910594740772",
                    "916156461856379022783379629891076070"
                ]
            },
            "target": {
                "file": "src/gc.c"
            },
            "id": "CVE-2020-36401-0cef8eb3"
        },
        {
            "source": "https://github.com/mruby/mruby/commit/97319697c8f9f6ff27b32589947e1918e3015503",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Function",
            "digest": {
                "length": 326.0,
                "function_hash": "73814944348713604547654280989925281376"
            },
            "target": {
                "file": "src/gc.c",
                "function": "mrb_realloc"
            },
            "id": "CVE-2020-36401-f28469e6"
        }
    ]
}