{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-35435", "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725", "state": "PUBLISHED", "assignerShortName": "cisa-cg", "dateReserved": "2025-04-15T20:57:14.281Z", "datePublished": "2025-09-17T16:53:22.388Z", "dateUpdated": "2025-09-17T16:53:22.388Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "CISA Thorium accepts a stream split size of zero then divides by this value. A remote, authenticated attacker could cause the service to crash. Fixed in commit 89101a6."}], "affected": [{"vendor": "CISA", "product": "Thorium", "defaultStatus": "unknown", "versions": [{"version": "1.0.0", "status": "affected", "lessThan": "89101a6", "versionType": "custom"}, {"version": "89101a6", "status": "unaffected"}]}], "problemTypes": [{"descriptions": [{"description": "CWE-369 Divide By Zero", "lang": "en", "type": "CWE", "cweId": "CWE-369"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-09-12T17:50:10.207824Z", "id": "CVE-2025-35435", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA Thorium download stream divide by zero", "references": [{"name": "url", "url": "https://github.com/cisagov/thorium/commit/7c94a0b9bc2dc55e0c307360452f348bac06820c"}, {"name": "url", "url": "https://www.cve.org/CVERecord?id=CVE-2025-CVE-2025-35435"}, {"name": "url", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json"}], "credits": [{"value": ", OpenAI Security Research", "lang": "en"}], "datePublic": "2025-08-20T00:00:00.000Z", "providerMetadata": {"orgId": "9119a7d8-5eab-497f-8521-727c672e3725", "shortName": "cisa-cg", "dateUpdated": "2025-09-17T16:53:22.388Z"}}}}

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