{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2021-4249",
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "assignerShortName": "VulDB",
        "dateUpdated": "2024-08-03T17:23:09.863Z",
        "dateReserved": "2022-12-18T00:00:00",
        "datePublished": "2022-12-18T00:00:00"
    },
    "containers": {
        "cna": {
            "title": "xml-conduit DOCTYPE Entity Expansion Parse.hs infinite loop",
            "providerMetadata": {
                "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
                "shortName": "VulDB",
                "dateUpdated": "2022-12-18T00:00:00"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability was found in xml-conduit. It has been classified as problematic. Affected is an unknown function of the file xml-conduit/src/Text/XML/Stream/Parse.hs of the component DOCTYPE Entity Expansion Handler. The manipulation leads to infinite loop. It is possible to launch the attack remotely. Upgrading to version 1.9.1.0 is able to address this issue. The name of the patch is 4be1021791dcdee8b164d239433a2043dc0939ea. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216204."
                }
            ],
            "affected": [
                {
                    "vendor": "unspecified",
                    "product": "xml-conduit",
                    "versions": [
                        {
                            "version": "0.5.0",
                            "status": "affected"
                        },
                        {
                            "version": "0.5.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "0.5.1",
                            "status": "affected"
                        },
                        {
                            "version": "0.5.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "0.5.1.2",
                            "status": "affected"
                        },
                        {
                            "version": "0.5.2",
                            "status": "affected"
                        },
                        {
                            "version": "0.5.3",
                            "status": "affected"
                        },
                        {
                            "version": "0.5.3.1",
                            "status": "affected"
                        },
                        {
                            "version": "0.5.4",
                            "status": "affected"
                        },
                        {
                            "version": "0.6.0",
                            "status": "affected"
                        },
                        {
                            "version": "0.6.1",
                            "status": "affected"
                        },
                        {
                            "version": "0.7.0",
                            "status": "affected"
                        },
                        {
                            "version": "0.7.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "0.7.0.2",
                            "status": "affected"
                        },
                        {
                            "version": "0.7.0.3",
                            "status": "affected"
                        },
                        {
                            "version": "1.0.0",
                            "status": "affected"
                        },
                        {
                            "version": "1.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.0.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.0.2",
                            "status": "affected"
                        },
                        {
                            "version": "1.0.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.0.3",
                            "status": "affected"
                        },
                        {
                            "version": "1.0.3.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.0.3.2",
                            "status": "affected"
                        },
                        {
                            "version": "1.0.3.3",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.0",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.0.2",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.0.3",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.0.4",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.0.5",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.0.6",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.0.7",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.0.8",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.0.9",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.0",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.0.2",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.0.3",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.2",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.3",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.3.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.3.2",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.3.3",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.4",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.5",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.5.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.6",
                            "status": "affected"
                        },
                        {
                            "version": "1.3.0",
                            "status": "affected"
                        },
                        {
                            "version": "1.3.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.3.2",
                            "status": "affected"
                        },
                        {
                            "version": "1.3.3",
                            "status": "affected"
                        },
                        {
                            "version": "1.3.3.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.3.4",
                            "status": "affected"
                        },
                        {
                            "version": "1.3.4.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.3.4.2",
                            "status": "affected"
                        },
                        {
                            "version": "1.3.5",
                            "status": "affected"
                        },
                        {
                            "version": "1.4.0",
                            "status": "affected"
                        },
                        {
                            "version": "1.4.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.4.0.2",
                            "status": "affected"
                        },
                        {
                            "version": "1.4.0.3",
                            "status": "affected"
                        },
                        {
                            "version": "1.4.0.4",
                            "status": "affected"
                        },
                        {
                            "version": "1.5.0",
                            "status": "affected"
                        },
                        {
                            "version": "1.5.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.6.0",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.0",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.1.0",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.1.2",
                            "status": "affected"
                        },
                        {
                            "version": "1.8.0",
                            "status": "affected"
                        },
                        {
                            "version": "1.8.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.9.0.0",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://github.com/snoyberg/xml/pull/161"
                },
                {
                    "url": "https://hackage.haskell.org/package/xml-conduit-1.9.1.0"
                },
                {
                    "url": "https://github.com/snoyberg/xml/commit/4be1021791dcdee8b164d239433a2043dc0939ea"
                },
                {
                    "url": "https://vuldb.com/?id.216204"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "REQUIRED",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "LOW",
                        "baseScore": 4.3,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-404 Denial of Service -> CWE-835 Infinite Loop",
                            "cweId": "CWE-404"
                        }
                    ]
                }
            ],
            "x_generator": "vuldb.com"
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T17:23:09.863Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://github.com/snoyberg/xml/pull/161",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://hackage.haskell.org/package/xml-conduit-1.9.1.0",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://github.com/snoyberg/xml/commit/4be1021791dcdee8b164d239433a2043dc0939ea",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://vuldb.com/?id.216204",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}