{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2025-47279",
        "ASSIGNER": "security-advisories@github.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Undici is an HTTP/1.1 client for Node.js. Prior to versions 5.29.0, 6.21.2, and 7.5.0, applications that use undici to implement a webhook-like system are vulnerable. If the attacker set up a server with an invalid certificate, and they can force the application to call the webhook repeatedly, then they can cause a memory leak. This has been patched in versions 5.29.0, 6.21.2, and 7.5.0. As a workaound, avoid calling a webhook repeatedly if the webhook fails."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-401: Missing Release of Memory after Effective Lifetime",
                        "cweId": "CWE-401"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "nodejs",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "undici",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "< 5.29.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 6.0.0, < 6.21.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 7.0.0, < 7.5.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://github.com/nodejs/undici/security/advisories/GHSA-cxrh-j4jr-qwg3",
                "refsource": "MISC",
                "name": "https://github.com/nodejs/undici/security/advisories/GHSA-cxrh-j4jr-qwg3"
            },
            {
                "url": "https://github.com/nodejs/undici/issues/3895",
                "refsource": "MISC",
                "name": "https://github.com/nodejs/undici/issues/3895"
            },
            {
                "url": "https://github.com/nodejs/undici/pull/4088",
                "refsource": "MISC",
                "name": "https://github.com/nodejs/undici/pull/4088"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-cxrh-j4jr-qwg3",
        "discovery": "UNKNOWN"
    },
    "impact": {
        "cvss": [
            {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 3.1,
                "baseSeverity": "LOW",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L",
                "version": "3.1"
            }
        ]
    }
}