Vulnerability Instance

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/250621?format=api",
    "vulnerability_id": "VCID-yuwd-fh9w-5bc3",
    "summary": "Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory afterwards. This will allow attackers to cause denial of service.",
    "aliases": [
        {
            "alias": "CVE-2021-32495"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/937433?format=api",
            "purl": "pkg:deb/debian/radare2@5.5.0%2Bdfsg-1?distro=sid",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/radare2@5.5.0%252Bdfsg-1%3Fdistro=sid"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/937413?format=api",
            "purl": "pkg:deb/debian/radare2@6.0.7%2Bds-1?distro=sid",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/radare2@6.0.7%252Bds-1%3Fdistro=sid"
        }
    ],
    "affected_packages": [],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-32495",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00296",
                    "scoring_system": "epss",
                    "scoring_elements": "0.52924",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.00296",
                    "scoring_system": "epss",
                    "scoring_elements": "0.52862",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00296",
                    "scoring_system": "epss",
                    "scoring_elements": "0.52964",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.00296",
                    "scoring_system": "epss",
                    "scoring_elements": "0.52947",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00296",
                    "scoring_system": "epss",
                    "scoring_elements": "0.52914",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00296",
                    "scoring_system": "epss",
                    "scoring_elements": "0.52835",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00296",
                    "scoring_system": "epss",
                    "scoring_elements": "0.52888",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.00296",
                    "scoring_system": "epss",
                    "scoring_elements": "0.52856",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00296",
                    "scoring_system": "epss",
                    "scoring_elements": "0.52907",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.00296",
                    "scoring_system": "epss",
                    "scoring_elements": "0.52901",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.00296",
                    "scoring_system": "epss",
                    "scoring_elements": "0.52951",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.00296",
                    "scoring_system": "epss",
                    "scoring_elements": "0.52936",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.00296",
                    "scoring_system": "epss",
                    "scoring_elements": "0.52919",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.00296",
                    "scoring_system": "epss",
                    "scoring_elements": "0.52956",
                    "published_at": "2026-04-16T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-32495"
        },
        {
            "reference_url": "https://github.com/radareorg/radare2/issues/18666",
            "reference_id": "18666",
            "reference_type": "",
            "scores": [
                {
                    "value": "10",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-11-12T19:46:13Z/"
                }
            ],
            "url": "https://github.com/radareorg/radare2/issues/18666"
        },
        {
            "reference_url": "https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05",
            "reference_id": "5e16e2d1c9fe245e4c17005d779fde91ec0b9c05",
            "reference_type": "",
            "scores": [
                {
                    "value": "10",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-11-12T19:46:13Z/"
                }
            ],
            "url": "https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 416,
            "name": "Use After Free",
            "description": "Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code."
        }
    ],
    "exploits": [],
    "severity_range_score": "10.0 - 10.0",
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-yuwd-fh9w-5bc3"
}