CVE-2024-43688

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Source

https://cve.org/CVERecord?id=CVE-2024-43688

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-43688.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2024-43688

Published

2024-08-20T00:00:00Z

Modified

2026-07-22T03:35:26.434192Z

Severity

7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator

Summary

[none]

Details

cron/entry.c in vixie cron before 9cc8ab1, as used in OpenBSD 7.4 and 7.5, allows a heap-based buffer underflow and memory corruption. NOTE: this issue was introduced during a May 2023 refactoring.

Database specific

{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "fixed": "9cc8ab1"
                }
            ],
            "source": "DESCRIPTION"
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43688.json",
    "cna_assigner": "mitre"
}

References

Affected packages

Git / github.com/vixie/cron

Affected ranges

Type

GIT

Repo

https://github.com/vixie/cron

Events

Introduced

Fixed

9cc8ab1087bb9ab861dd5595c41200683c9f6712

Database specific

{
    "source": "REFERENCES"
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-43688.json"

vanir_signatures

[
    {
        "id": "CVE-2024-43688-02998527",
        "target": {
            "file": "entry.c",
            "function": "get_number"
        },
        "source": "https://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712",
        "digest": {
            "function_hash": "63010936667497044806070309308377180632",
            "length": 976.0
        },
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Function"
    },
    {
        "id": "CVE-2024-43688-4423c8c0",
        "target": {
            "file": "entry.c"
        },
        "source": "https://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "175567205010817314368500076822158778862",
                "47778498664084520870679360908545878386",
                "133239883662492912249389033162906519788",
                "97738228706489242160427024682739810289",
                "248027927010844222738730303263614546437",
                "166179563446577277238884070354291796082",
                "78381649272433403164334403893439064367",
                "168782700858990039150069341528270165477"
            ]
        },
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Line"
    },
    {
        "id": "CVE-2024-43688-8cf5c62d",
        "target": {
            "file": "entry.c",
            "function": "set_range"
        },
        "source": "https://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712",
        "digest": {
            "function_hash": "82019581775357050425269310241462141255",
            "length": 470.0
        },
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Function"
    }
]

vanir_signatures_modified

"2026-07-22T03:35:26Z"