CVE-2021-23437

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{}

{"affected": [{"affectedData": [{"product": "Pillow", "vendor": "n/a", "versions": [{"lessThan": "unspecified", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "8.3.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "report@snyk.io"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*", "matchCriteriaId": "F410ECFC-A2CC-41AD-965A-83B3FAE74EB2", "versionEndExcluding": "8.3.2", "versionStartIncluding": "5.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "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."}, {"lang": "es", "value": "El paquete pillow versiones desde la versi\u00f3n 5.2.0 y anteriores a 8.3.2, son vulnerables a una Denegaci\u00f3n de Servicio por Expresi\u00f3n Regular (ReDoS) por medio de la funci\u00f3n getrgb"}], "id": "CVE-2021-23437", "lastModified": "2026-06-17T03:38:45.710", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "report@snyk.io", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-03T16:15:08.317", "references": [{"source": "report@snyk.io", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/python-pillow/Pillow/commit/9e08eb8f78fdfd2f476e1b20b7cf38683754866b"}, {"source": "report@snyk.io", "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00021.html"}, {"source": "report@snyk.io", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNSG6VFXTAROGF7ACYLMAZNQV4EJ6I2C/"}, {"source": "report@snyk.io", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKRCL7KKAKOXCVD7M6WC5OKFGL4L3SJT/"}, {"source": "report@snyk.io", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://pillow.readthedocs.io/en/stable/releasenotes/8.3.2.html"}, {"source": "report@snyk.io", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202211-10"}, {"source": "report@snyk.io", "tags": ["Exploit", "Patch", "Release Notes", "Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1319443"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/python-pillow/Pillow/commit/9e08eb8f78fdfd2f476e1b20b7cf38683754866b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNSG6VFXTAROGF7ACYLMAZNQV4EJ6I2C/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKRCL7KKAKOXCVD7M6WC5OKFGL4L3SJT/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://pillow.readthedocs.io/en/stable/releasenotes/8.3.2.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202211-10"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Release Notes", "Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1319443"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "python-pillow: possible ReDoS via the getrgb function", "id": "2001907", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2001907"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-400", "details": ["The package pillow 5.2.0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function.", "A flaw was found in python-pillow, where a Regular Expression Denial of Service (ReDoS) via the getrgb function occurs. The highest threat from this vulnerability is to system availability."], "name": "CVE-2021-23437", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "python-pillow", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "python-pillow", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Affected", "impact": "moderate", "package_name": "quay/quay-rhel8", "product_name": "Red Hat Quay 3"}], "public_date": "2021-09-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-23437\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-23437\nhttps://pillow.readthedocs.io/en/stable/releasenotes/8.3.2.html\nhttps://snyk.io/vuln/SNYK-PYTHON-PILLOW-1319443"], "threat_severity": "Moderate"}

{}