{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-55627",
        "ASSIGNER": "security-advisories@github.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.8, a specially crafted TCP stream can lead to a very large buffer overflow while being zero-filled during initialization with memset due to an unsigned integer underflow. The issue has been addressed in Suricata 7.0.8."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-191: Integer Underflow (Wrap or Wraparound)",
                        "cweId": "CWE-191"
                    }
                ]
            },
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-122: Heap-based Buffer Overflow",
                        "cweId": "CWE-122"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "OISF",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "suricata",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "< 7.0.8"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://github.com/OISF/suricata/security/advisories/GHSA-h2mv-7gg8-8x7v",
                "refsource": "MISC",
                "name": "https://github.com/OISF/suricata/security/advisories/GHSA-h2mv-7gg8-8x7v"
            },
            {
                "url": "https://github.com/OISF/suricata/commit/282509f70c4ce805098e59535af445362e3e9ebd",
                "refsource": "MISC",
                "name": "https://github.com/OISF/suricata/commit/282509f70c4ce805098e59535af445362e3e9ebd"
            },
            {
                "url": "https://github.com/OISF/suricata/commit/8900041405dbb5f9584edae994af2100733fb4be",
                "refsource": "MISC",
                "name": "https://github.com/OISF/suricata/commit/8900041405dbb5f9584edae994af2100733fb4be"
            },
            {
                "url": "https://github.com/OISF/suricata/commit/9a53ec43b13f0039a083950511a18bf6f408e432",
                "refsource": "MISC",
                "name": "https://github.com/OISF/suricata/commit/9a53ec43b13f0039a083950511a18bf6f408e432"
            },
            {
                "url": "https://redmine.openinfosecfoundation.org/issues/7393",
                "refsource": "MISC",
                "name": "https://redmine.openinfosecfoundation.org/issues/7393"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-h2mv-7gg8-8x7v",
        "discovery": "UNKNOWN"
    },
    "impact": {
        "cvss": [
            {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
            }
        ]
    }
}