{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-22261",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-01-07T05:19:12.923Z",
        "datePublished": "2026-01-27T18:10:27.881Z",
        "dateUpdated": "2026-01-27T18:24:24.317Z"
    },
    "containers": {
        "cna": {
            "title": "Suricata eve/alert: http1 xff handling can lead to denial of service",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-1050",
                            "lang": "en",
                            "description": "CWE-1050: Excessive Platform Resource Consumption within a Loop",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "LOW",
                        "baseScore": 3.7,
                        "baseSeverity": "LOW",
                        "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:L",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/OISF/suricata/security/advisories/GHSA-5jvg-5j3p-34cf",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/OISF/suricata/security/advisories/GHSA-5jvg-5j3p-34cf"
                },
                {
                    "name": "https://github.com/OISF/suricata/commit/3f0725b34c7871c2de4346c8af872f10f4501e44",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/OISF/suricata/commit/3f0725b34c7871c2de4346c8af872f10f4501e44"
                },
                {
                    "name": "https://github.com/OISF/suricata/commit/af246ae7ab1b70c09f83c0619b253095ccc18667",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/OISF/suricata/commit/af246ae7ab1b70c09f83c0619b253095ccc18667"
                },
                {
                    "name": "https://redmine.openinfosecfoundation.org/issues/8156",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://redmine.openinfosecfoundation.org/issues/8156"
                }
            ],
            "affected": [
                {
                    "vendor": "OISF",
                    "product": "suricata",
                    "versions": [
                        {
                            "version": "< 7.0.14",
                            "status": "affected"
                        },
                        {
                            "version": ">= 8.0.0, < 8.0.3",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-01-27T18:10:27.881Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, various inefficiencies in xff handling, especially for alerts not triggered in a tx, can lead to severe slowdowns. Versions 8.0.3 and 7.0.14 contain a patch. As a workaround, disable XFF support in the eve configuration. The setting is disabled by default."
                }
            ],
            "source": {
                "advisory": "GHSA-5jvg-5j3p-34cf",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-01-27T18:24:03.406014Z",
                                "id": "CVE-2026-22261",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-01-27T18:24:24.317Z"
                }
            }
        ]
    }
}