{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ASSIGNER": "report@snyk.io",
        "DATE_PUBLIC": "2021-09-03T16:10:00.232154Z",
        "ID": "CVE-2021-23437",
        "STATE": "PUBLIC",
        "TITLE": "Regular Expression Denial of Service (ReDoS)"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Pillow",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": ">=",
                                            "version_value": "0"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_value": "8.3.2"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Regular Expression Denial of Service (ReDoS)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1319443",
                "name": "https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1319443"
            },
            {
                "refsource": "MISC",
                "url": "https://pillow.readthedocs.io/en/stable/releasenotes/8.3.2.html",
                "name": "https://pillow.readthedocs.io/en/stable/releasenotes/8.3.2.html"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/python-pillow/Pillow/commit/9e08eb8f78fdfd2f476e1b20b7cf38683754866b",
                "name": "https://github.com/python-pillow/Pillow/commit/9e08eb8f78fdfd2f476e1b20b7cf38683754866b"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-9f020cf155",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VKRCL7KKAKOXCVD7M6WC5OKFGL4L3SJT/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-cbfaefb390",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RNSG6VFXTAROGF7ACYLMAZNQV4EJ6I2C/"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202211-10",
                "url": "https://security.gentoo.org/glsa/202211-10"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20240322 [SECURITY] [DLA 3768-1] pillow security update",
                "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00021.html"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The package pillow 5.2.0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function."
            }
        ]
    },
    "impact": {
        "cvss": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "NONE",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "availabilityImpact": "HIGH"
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Liyuan Chen"
        }
    ]
}