CVE-2022-0240

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Source
https://nvd.nist.gov/vuln/detail/CVE-2022-0240
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-0240.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-0240
Downstream
Related
Published
2022-01-17T14:15:07Z
Modified
2025-09-16T07:21:10.486672Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

mruby is vulnerable to NULL Pointer Dereference

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

Affected versions

2.*

2.1.2-3

3.*

3.0.0-1
3.0.0-2
3.0.0-3
3.0.0-4
3.1.0-1
3.1.0-2
3.1.0-3
3.2.0-1
3.2.0-2
3.3.0~rc2-1
3.3.0-1
3.4.0-1~exp1
3.4.0-1~exp2
3.4.0-1
3.4.0-2

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
3.1.0-1

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
3.1.0-1

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
3.1.0-1

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
31fa3304049fc406a201a72293cce140f0557dca

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
2.1.2
2.1.2-rc
2.1.2-rc2

3.*

3.0.0
3.0.0-preview
3.0.0-rc

Database specific 

{
    "vanir_signatures": [
        {
            "source": "https://github.com/mruby/mruby/commit/31fa3304049fc406a201a72293cce140f0557dca",
            "deprecated": false,
            "signature_version": "v1",
            "id": "CVE-2022-0240-4c0339a5",
            "signature_type": "Function",
            "digest": {
                "function_hash": "210927324186277684094554442999599709031",
                "length": 1039.0
            },
            "target": {
                "function": "prepare_singleton_class",
                "file": "src/class.c"
            }
        },
        {
            "source": "https://github.com/mruby/mruby/commit/31fa3304049fc406a201a72293cce140f0557dca",
            "deprecated": false,
            "signature_version": "v1",
            "id": "CVE-2022-0240-80df04ba",
            "signature_type": "Function",
            "digest": {
                "function_hash": "243804329852572144038442603560103494293",
                "length": 468.0
            },
            "target": {
                "function": "mrb_singleton_class_ptr",
                "file": "src/class.c"
            }
        },
        {
            "source": "https://github.com/mruby/mruby/commit/31fa3304049fc406a201a72293cce140f0557dca",
            "deprecated": false,
            "signature_version": "v1",
            "id": "CVE-2022-0240-c2fab708",
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "127250216515249212176059722088213024895",
                    "65046484168329266562541326136945861373",
                    "90515491667773935949452959684367397961",
                    "148757349669851346523609320848136781229",
                    "180356075579912771970580110694850219793",
                    "56049778565867878013645063959732797828",
                    "97747634495783163617099420628214467016"
                ],
                "threshold": 0.9
            },
            "target": {
                "file": "src/class.c"
            }
        }
    ]
}