CVE-2021-44686

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://bugs.launchpad.net/calibre/+bug/1951979", "name": "https://bugs.launchpad.net/calibre/+bug/1951979", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/dwisiswant0/advisory/issues/18", "name": "https://github.com/dwisiswant0/advisory/issues/18", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/kovidgoyal/calibre/compare/v5.31.1...v5.32.0", "name": "https://github.com/kovidgoyal/calibre/compare/v5.31.1...v5.32.0", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W7QKFPYJ23KG6WJ5NIYAM4N2NWZCLQGL/", "name": "FEDORA-2021-e42fadbcc3", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FEDORA"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "calibre before 5.32.0 contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service) in html_preprocess_rules in ebooks/conversion/preprocess.py."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-400"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-44686", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"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"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2021-12-07T00:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:calibre-ebook:calibre:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.32.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-05-03T16:04Z"}