CVE-2017-9527

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Source
https://cve.org/CVERecord?id=CVE-2017-9527
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-9527.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2017-9527
Downstream
Published
2017-06-11T17:29:00.160Z
Modified
2026-07-08T14:13:40.789211Z
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

The markcontextstack function in gc.c in mruby through 1.2.0 allows attackers to cause a denial of service (heap-based use-after-free and application crash) or possibly have unspecified other impact via a crafted .rb file.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "9.0"
                },
                {
                    "last_affected": "9.0"
                }
            ],
            "vendor_product": "debian:debian_linux",
            "source": "CPE_STRING"
        }
    ]
}
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
22464fe5a0a10f2b077eaba109ce1e912e4a77de
Fixed
5c114c91d4ff31859fcd84cf8bf349b737b90d99
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.2.0"
        }
    ],
    "cpe": "cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*",
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

1.*
1.0.0
1.1.0
1.2.0

Database specific

vanir_signatures 
[
    {
        "target": {
            "file": "src/gc.c",
            "function": "mark_context_stack"
        },
        "signature_version": "v1",
        "signature_type": "Function",
        "id": "CVE-2017-9527-0b64423d",
        "deprecated": false,
        "digest": {
            "length": 547.0,
            "function_hash": "286219651794874583022066205112029788158"
        },
        "source": "https://github.com/mruby/mruby/commit/5c114c91d4ff31859fcd84cf8bf349b737b90d99"
    },
    {
        "target": {
            "file": "src/gc.c"
        },
        "signature_version": "v1",
        "signature_type": "Line",
        "id": "CVE-2017-9527-76c1b6a1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "239328260997774354437319465623085189723",
                "278749016881778886418842281945883168779",
                "113515937360586162616117102418961035864",
                "185062502001950100527544536542242255813",
                "94831734521497849468177636311830953652",
                "136229001971788190294863844937971499822",
                "215219651310723059012235489279416079175",
                "317851459485684649508170802408184894780",
                "241504984179936146407905117891020266225",
                "247869340733954520892314820391799532118",
                "43035428114706040117447406129172114308",
                "139392374937586911940466184861622959537",
                "108587633537507210242609878158511307392",
                "173878156555487118740790950504304142821",
                "104076392047553672763771949455293999536"
            ]
        },
        "source": "https://github.com/mruby/mruby/commit/5c114c91d4ff31859fcd84cf8bf349b737b90d99"
    }
]
vanir_signatures_modified 
"2026-07-08T14:13:40Z"
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-9527.json"