{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-66037", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-11-21T01:08:02.615Z", "datePublished": "2026-03-30T17:01:27.790Z", "dateUpdated": "2026-03-30T20:14:39.203Z"}, "containers": {"cna": {"title": "OpenSC: Out of Bounds vulnerability", "problemTypes": [{"descriptions": [{"cweId": "CWE-125", "lang": "en", "description": "CWE-125: Out-of-bounds Read", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "PHYSICAL", "availabilityImpact": "LOW", "baseScore": 3.9, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/OpenSC/OpenSC/security/advisories/GHSA-m58q-rmjm-mmfx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/OpenSC/OpenSC/security/advisories/GHSA-m58q-rmjm-mmfx"}, {"name": "https://github.com/OpenSC/OpenSC/wiki/CVE-2025-66037", "tags": ["x_refsource_MISC"], "url": "https://github.com/OpenSC/OpenSC/wiki/CVE-2025-66037"}], "affected": [{"vendor": "OpenSC", "product": "OpenSC", "versions": [{"version": "< 0.27.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-30T17:01:27.790Z"}, "descriptions": [{"lang": "en", "value": "OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, feeding a crafted input to the fuzz_pkcs15_reader harness causes OpenSC to perform an out-of-bounds heap read in the X.509/SPKI handling path. Specifically, sc_pkcs15_pubkey_from_spki_fields() allocates a zero-length buffer and then reads one byte past the end of that allocation. This issue has been patched in version 0.27.0."}], "source": {"advisory": "GHSA-m58q-rmjm-mmfx", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-30T20:14:26.757382Z", "id": "CVE-2025-66037", "options": [{"Exploitation": "poc"}, {"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": "2026-03-30T20:14:39.203Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, feeding a crafted input to the fuzz_pkcs15_reader harness causes OpenSC to perform an out-of-bounds heap read in the X.509/SPKI handling path. Specifically, sc_pkcs15_pubkey_from_spki_fields() allocates a zero-length buffer and then reads one byte past the end of that allocation. This issue has been patched in version 0.27.0."}], "id": "CVE-2025-66037", "lastModified": "2026-03-30T18:16:18.007", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "PHYSICAL", "availabilityImpact": "LOW", "baseScore": 3.9, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 3.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-30T18:16:18.007", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/OpenSC/OpenSC/security/advisories/GHSA-m58q-rmjm-mmfx"}, {"source": "security-advisories@github.com", "url": "https://github.com/OpenSC/OpenSC/wiki/CVE-2025-66037"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

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