CVE-2018-11743

The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls for TT_ICLASS objects, which allows attackers to cause a denial of service (mrb_hash_keys uninitialized pointer and application crash) or possibly have unspecified other impact.

Database specific

{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "introduced":  "9.0"
                        },
                        {
                            "last_affected":  "9.0"
                        }
                    ],
                    "source":  "CPE_STRING"
                }
            ],
            "vendor_product":  "debian:debian_linux"
        }
    ]
}

References

Affected packages

Git / github.com/mruby/mruby

Affected ranges

Type

GIT

Repo

https://github.com/mruby/mruby

Events

Introduced

023070a6396233974785a8fd5735b9380a884f27

Last Affected

023070a6396233974785a8fd5735b9380a884f27

Fixed

b64ce17852b180dfeea81cf458660be41a78974d

Database specific

Show details

{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:mruby:mruby:1.4.1:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "1.4.1"
                },
                {
                    "last_affected":  "1.4.1"
                }
            ],
            "source":  "CPE_STRING"
        },
        {
            "range":  [
                {
                    "fixed":  "b64ce17852b180dfeea81cf458660be41a78974d"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

1.*

1.4.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-11743.json"

vanir_signatures

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        "deprecated":  false,
        "digest":  {
            "function_hash":  "48112143005334984103996638571299297107",
            "length":  583
        },
        "id":  "CVE-2018-11743-244638a9",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/mruby/mruby/commit/b64ce17852b180dfeea81cf458660be41a78974d",
        "target":  {
            "file":  "src/kernel.c",
            "function":  "init_copy"
        }
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            "threshold":  0.9
        },
        "id":  "CVE-2018-11743-c2146ee5",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/mruby/mruby/commit/b64ce17852b180dfeea81cf458660be41a78974d",
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]

vanir_signatures_modified

"2026-10-20T13:26:23Z"