CVE-2022-1201

NULL Pointer Dereference in mrbvmexec with super in GitHub repository mruby/mruby prior to 3.2. This vulnerability is capable of making the mruby interpreter crash, thus affecting the availability of the system.

Database specific

{
    "cwe_ids": [
        "CWE-476"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1201.json",
    "cna_assigner": "@huntrdev"
}

References

Affected packages

Git / github.com/mruby/mruby

Affected ranges

Type

GIT

Repo

https://github.com/mruby/mruby

Events

Introduced

Fixed

87260e7bb1a9edfb2ce9b41549c4142129061ca5

Fixed

00acae117da1b45b318dc36531a7b0021b8097ae

Database specific

Show details

{
    "cpe": "cpe:2.3:a:mruby:mruby:*:*:*:*:*:ruby:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.2"
        }
    ],
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

1.*

1.0.0

1.1.0

1.2.0

3.*

3.0.0-preview

3.2.0-rc

3.2.0-rc2

3.2.0-rc3

3.2.0-rc4

Database specific

vanir_signatures_modified

"2026-08-12T12:59:05Z"

vanir_signatures

[
    {
        "id": "CVE-2022-1201-8adae72d",
        "deprecated": false,
        "signature_type": "Line",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "179525370878760998072609635129890595634",
                "13482419406641249321845258079091709333",
                "259404867586065736235106022543442769453",
                "80578160588035345591188747966116207148"
            ]
        },
        "source": "https://github.com/mruby/mruby/commit/00acae117da1b45b318dc36531a7b0021b8097ae",
        "target": {
            "file": "src/vm.c"
        }
    },
    {
        "id": "CVE-2022-1201-fd519e20",
        "deprecated": false,
        "signature_type": "Function",
        "signature_version": "v1",
        "digest": {
            "length": 36863.0,
            "function_hash": "69922871808566938961439703307463367988"
        },
        "source": "https://github.com/mruby/mruby/commit/00acae117da1b45b318dc36531a7b0021b8097ae",
        "target": {
            "function": "mrb_vm_exec",
            "file": "src/vm.c"
        }
    }
]

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-1201.json"