{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "state": "PUBLISHED", "cveId": "CVE-2020-6817", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "dateUpdated": "2025-03-19T15:21:23.888Z", "dateReserved": "2020-01-10T00:00:00.000Z", "datePublished": "2023-02-16T00:00:00.000Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2023-02-16T00:00:00.000Z" }, "descriptions": [ { "lang": "en", "value": "bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(..., attributes={'a': ['style']})." } ], "affected": [ { "vendor": "Mozilla", "product": "Mozilla Bleach", "versions": [ { "version": "unspecified", "lessThan": "3.1.4", "status": "affected", "versionType": "custom" } ] } ], "references": [ { "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-vqhp-cxgc-6wmm" }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1623633" } ], "problemTypes": [ { "descriptions": [ { "type": "text", "lang": "en", "description": "regular expression denial-of-service (ReDoS) in BleachSanitizerFilter.sanitize_css gauntlet regular expression " } ] } ], "x_generator": { "engine": "Vulnogram 0.0.9" }, "source": { "discovery": "UNKNOWN" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:11:05.144Z" }, "title": "CVE Program Container", "references": [ { "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-vqhp-cxgc-6wmm", "tags": [ "x_transferred" ] }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1623633", "tags": [ "x_transferred" ] } ] }, { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-1333", "lang": "en", "description": "CWE-1333 Inefficient Regular Expression Complexity" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2025-03-19T15:21:19.285722Z", "id": "CVE-2020-6817", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "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": "2025-03-19T15:21:23.888Z" } } ] } }