{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-112300", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-10-19T14:04:49.020Z", "datePublished": "2026-10-19T20:30:18.020Z", "dateUpdated": "2026-10-19T20:30:18.020Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-10-19T20:30:18.020Z"}, "title": "DiffSK configobj __init__.py _sectionmarker redos", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-1333", "lang": "en", "description": "Inefficient Regular Expression Complexity"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-400", "lang": "en", "description": "Resource Consumption"}]}], "affected": [{"vendor": "DiffSK", "product": "configobj", "versions": [{"version": "5.0.0", "status": "affected"}, {"version": "5.0.1", "status": "affected"}, {"version": "5.0.2", "status": "affected"}, {"version": "5.0.3", "status": "affected"}, {"version": "5.0.4", "status": "affected"}, {"version": "5.0.5", "status": "affected"}, {"version": "5.0.6", "status": "affected"}, {"version": "5.0.7", "status": "affected"}, {"version": "5.0.8", "status": "affected"}, {"version": "5.0.9", "status": "affected"}], "cpes": ["cpe:2.3:a:diffsk:configobj:*:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in DiffSK configobj up to 5.0.9. Affected by this vulnerability is the function _sectionmarker of the file configobj/__init__.py. The manipulation leads to inefficient regular expression complexity. Remote exploitation of the attack is possible. The project was informed of the problem early through an issue report but has not responded yet."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 5, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:ND/RC:C"}}], "timeline": [{"time": "2026-10-19T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-10-19T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-10-19T16:09:53.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "Mohammedix88 (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/422346", "name": "VDB-422346 | DiffSK configobj __init__.py _sectionmarker redos", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/422346/cti", "name": "VDB-422346 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-112300", "name": "CVE-2026-112300 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/989395", "name": "Submit #989395 | DiffSK configobj 5.0.9 Denial of Service", "tags": ["third-party-advisory"]}, {"url": "https://github.com/DiffSK/configobj/issues/281", "tags": ["issue-tracking"]}, {"url": "https://github.com/DiffSK/configobj/", "tags": ["product"]}], "x_generator": ["VulDB PVTS v202610"]}}}

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:diffsk:configobj:*:*:*:*:*:*:*:*"], "product": "configobj", "vendor": "DiffSK", "versions": [{"status": "affected", "version": "5.0.0"}, {"status": "affected", "version": "5.0.1"}, {"status": "affected", "version": "5.0.2"}, {"status": "affected", "version": "5.0.3"}, {"status": "affected", "version": "5.0.4"}, {"status": "affected", "version": "5.0.5"}, {"status": "affected", "version": "5.0.6"}, {"status": "affected", "version": "5.0.7"}, {"status": "affected", "version": "5.0.8"}, {"status": "affected", "version": "5.0.9"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in DiffSK configobj up to 5.0.9. Affected by this vulnerability is the function _sectionmarker of the file configobj/__init__.py. The manipulation leads to inefficient regular expression complexity. Remote exploitation of the attack is possible. The project was informed of the problem early through an issue report but has not responded yet."}], "id": "CVE-2026-112300", "lastModified": "2026-10-19T21:17:06.677", "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": "[email protected]", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "[email protected]", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-10-19T21:17:06.677", "references": [{"source": "[email protected]", "url": "https://github.com/DiffSK/configobj/"}, {"source": "[email protected]", "url": "https://github.com/DiffSK/configobj/issues/281"}, {"source": "[email protected]", "url": "https://vuldb.com/cve/CVE-2026-112300"}, {"source": "[email protected]", "url": "https://vuldb.com/submit/989395"}, {"source": "[email protected]", "url": "https://vuldb.com/vuln/422346"}, {"source": "[email protected]", "url": "https://vuldb.com/vuln/422346/cti"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-1333"}], "source": "[email protected]", "type": "Primary"}]}

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