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":  [
                {
                    "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

{
    "cpe":  "cpe:2.3:a:mruby:mruby:1.4.1:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "1.4.1"
        },
        {
            "last_affected":  "1.4.1"
        }
    ],
    "source":  [
        "CPE_STRING",
        "REFERENCES"
    ]
}

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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            "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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vanir_signatures_modified

"2026-07-08T17:14:51Z"