{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2025-54364", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-08-26T13:42:50.158Z", "dateReserved": "2025-07-21T00:00:00.000Z", "datePublished": "2025-08-20T00:00:00.000Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "product": "Knack", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "0.12.0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Microsoft Knack 0.12.0 allows Regular expression Denial of Service (ReDoS) in the knack.introspection module. option_descriptions employs an inefficient regular expression pattern: \"\\s(:param)\\s+(.+?)\\s:(.*)\" that is susceptible to catastrophic backtracking when processing crafted docstrings containing a large volume of whitespace without a terminating colon. An attacker who can control or inject docstring content into affected applications can trigger excessive CPU consumption. This software is used by Azure CLI."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1333", "description": "CWE-1333 Inefficient Regular Expression Complexity", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2025-08-21T15:39:18.264Z"}, "references": [{"url": "https://github.com/microsoft/knack"}, {"url": "https://www.vulncheck.com/advisories/microsoft-knack-python-package-regular-expression-dos"}], "x_generator": {"engine": "enrichogram 0.0.1"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-08-26T13:42:34.239313Z", "id": "CVE-2025-54364", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2025-08-26T13:42:50.158Z"}}]}, "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-54364", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-08-26T13:42:34.239313Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-20T13:33:47.413Z"}}], "cna": {"metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}], "affected": [{"vendor": "Microsoft", "product": "Knack", "versions": [{"status": "affected", "version": "0.12.0", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://github.com/microsoft/knack"}, {"url": "https://www.vulncheck.com/advisories/microsoft-knack-python-package-regular-expression-dos"}], "x_generator": {"engine": "enrichogram 0.0.1"}, "descriptions": [{"lang": "en", "value": "Microsoft Knack 0.12.0 allows Regular expression Denial of Service (ReDoS) in the knack.introspection module. option_descriptions employs an inefficient regular expression pattern: \"\\s(:param)\\s+(.+?)\\s:(.*)\" that is susceptible to catastrophic backtracking when processing crafted docstrings containing a large volume of whitespace without a terminating colon. An attacker who can control or inject docstring content into affected applications can trigger excessive CPU consumption. This software is used by Azure CLI."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1333", "description": "CWE-1333 Inefficient Regular Expression Complexity"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2025-08-21T15:39:18.264Z"}}}, "cveMetadata": {"cveId": "CVE-2025-54364", "state": "PUBLISHED", "dateUpdated": "2025-08-26T13:42:50.158Z", "dateReserved": "2025-07-21T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2025-08-20T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Microsoft Knack 0.12.0 allows Regular expression Denial of Service (ReDoS) in the knack.introspection module. option_descriptions employs an inefficient regular expression pattern: \"\\s(:param)\\s+(.+?)\\s:(.*)\" that is susceptible to catastrophic backtracking when processing crafted docstrings containing a large volume of whitespace without a terminating colon. An attacker who can control or inject docstring content into affected applications can trigger excessive CPU consumption. This software is used by Azure CLI."}, {"lang": "es", "value": "Microsoft Knack 0.12.0 permite la denegaci\u00f3n de servicio por expresiones regulares (ReDoS) en el m\u00f3dulo knack.introspection (n\u00famero 2 de 2)."}], "id": "CVE-2025-54364", "lastModified": "2025-08-21T16:15:33.880", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "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:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2025-08-20T03:15:35.443", "references": [{"source": "cve@mitre.org", "url": "https://github.com/microsoft/knack"}, {"source": "cve@mitre.org", "url": "https://www.vulncheck.com/advisories/microsoft-knack-python-package-regular-expression-dos"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1333"}], "source": "cve@mitre.org", "type": "Secondary"}]}

{}