CVE-2021-21236

{"containers": {"cna": {"affected": [{"product": "CairoSVG", "vendor": "Kozea", "versions": [{"status": "affected", "version": "< 2.5.1"}]}], "descriptions": [{"lang": "en", "value": "CairoSVG is a Python (pypi) package. CairoSVG is an SVG converter based on Cairo. In CairoSVG before version 2.5.1, there is a regular expression denial of service (REDoS) vulnerability. When processing SVG files, the python package CairoSVG uses two regular expressions which are vulnerable to Regular Expression Denial of Service (REDoS). If an attacker provides a malicious SVG, it can make cairosvg get stuck processing the file for a very long time. This is fixed in version 2.5.1. See Referenced GitHub advisory for more information."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-01-06T17:00:19.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Kozea/CairoSVG/security/advisories/GHSA-hq37-853p-g5cf"}, {"tags": ["x_refsource_MISC"], "url": "https://pypi.org/project/CairoSVG/"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/Kozea/CairoSVG/commit/cfc9175e590531d90384aa88845052de53d94bf3"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/Kozea/CairoSVG/releases/tag/2.5.1"}], "source": {"advisory": "GHSA-hq37-853p-g5cf", "discovery": "UNKNOWN"}, "title": "Regular Expression Denial of Service in CairoSVG", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-21236", "STATE": "PUBLIC", "TITLE": "Regular Expression Denial of Service in CairoSVG"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "CairoSVG", "version": {"version_data": [{"version_value": "< 2.5.1"}]}}]}, "vendor_name": "Kozea"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "CairoSVG is a Python (pypi) package. CairoSVG is an SVG converter based on Cairo. In CairoSVG before version 2.5.1, there is a regular expression denial of service (REDoS) vulnerability. When processing SVG files, the python package CairoSVG uses two regular expressions which are vulnerable to Regular Expression Denial of Service (REDoS). If an attacker provides a malicious SVG, it can make cairosvg get stuck processing the file for a very long time. This is fixed in version 2.5.1. See Referenced GitHub advisory for more information."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400 Uncontrolled Resource Consumption"}]}]}, "references": {"reference_data": [{"name": "https://github.com/Kozea/CairoSVG/security/advisories/GHSA-hq37-853p-g5cf", "refsource": "CONFIRM", "url": "https://github.com/Kozea/CairoSVG/security/advisories/GHSA-hq37-853p-g5cf"}, {"name": "https://pypi.org/project/CairoSVG/", "refsource": "MISC", "url": "https://pypi.org/project/CairoSVG/"}, {"name": "https://github.com/Kozea/CairoSVG/commit/cfc9175e590531d90384aa88845052de53d94bf3", "refsource": "MISC", "url": "https://github.com/Kozea/CairoSVG/commit/cfc9175e590531d90384aa88845052de53d94bf3"}, {"name": "https://github.com/Kozea/CairoSVG/releases/tag/2.5.1", "refsource": "MISC", "url": "https://github.com/Kozea/CairoSVG/releases/tag/2.5.1"}]}, "source": {"advisory": "GHSA-hq37-853p-g5cf", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:09:15.166Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/Kozea/CairoSVG/security/advisories/GHSA-hq37-853p-g5cf"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://pypi.org/project/CairoSVG/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/Kozea/CairoSVG/commit/cfc9175e590531d90384aa88845052de53d94bf3"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/Kozea/CairoSVG/releases/tag/2.5.1"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-21236", "datePublished": "2021-01-06T17:00:19.000Z", "dateReserved": "2020-12-22T00:00:00.000Z", "dateUpdated": "2024-08-03T18:09:15.166Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "CairoSVG", "vendor": "Kozea", "versions": [{"status": "affected", "version": "< 2.5.1"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:courtbouillon:cairosvg:*:*:*:*:*:*:*:*", "matchCriteriaId": "6D10055D-3299-4F39-B4E2-A52D95ABB225", "versionEndExcluding": "2.5.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "CairoSVG is a Python (pypi) package. CairoSVG is an SVG converter based on Cairo. In CairoSVG before version 2.5.1, there is a regular expression denial of service (REDoS) vulnerability. When processing SVG files, the python package CairoSVG uses two regular expressions which are vulnerable to Regular Expression Denial of Service (REDoS). If an attacker provides a malicious SVG, it can make cairosvg get stuck processing the file for a very long time. This is fixed in version 2.5.1. See Referenced GitHub advisory for more information."}, {"lang": "es", "value": "CairoSVG es un paquete de Python (pypi).&#xa0;CairoSVG es un conversor de SVG basado en Cairo.&#xa0;En CairoSVG versiones anteriores a 2.5.1, se presenta de denegaci\u00f3n de servicio de expresi\u00f3n regular (REDoS).&#xa0;Cuando se procesan archivos SVG, el paquete de python CairoSVG utiliza dos expresiones regulares que son vulnerables a una Denegaci\u00f3n de Servicio de Expresiones Regulares (REDoS).&#xa0;Si un atacante proporciona un SVG malicioso, puede hacer que cairosvg se atasque al procesar el archivo durante mucho tiempo.&#xa0;Esto es corregido en la versi\u00f3n 2.5.1.&#xa0;Consulte el aviso Referenced GitHub para obtener m\u00e1s informaci\u00f3n"}], "id": "CVE-2021-21236", "lastModified": "2026-06-17T03:35:05.927", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-01-06T17:15:23.733", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/Kozea/CairoSVG/commit/cfc9175e590531d90384aa88845052de53d94bf3"}, {"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/Kozea/CairoSVG/releases/tag/2.5.1"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Kozea/CairoSVG/security/advisories/GHSA-hq37-853p-g5cf"}, {"source": "security-advisories@github.com", "tags": ["Product", "Third Party Advisory"], "url": "https://pypi.org/project/CairoSVG/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/Kozea/CairoSVG/commit/cfc9175e590531d90384aa88845052de53d94bf3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/Kozea/CairoSVG/releases/tag/2.5.1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Kozea/CairoSVG/security/advisories/GHSA-hq37-853p-g5cf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product", "Third Party Advisory"], "url": "https://pypi.org/project/CairoSVG/"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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