{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68114", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-12-15T16:16:22.744Z", "datePublished": "2025-12-17T21:14:31.226Z", "dateUpdated": "2025-12-17T21:14:31.226Z"}, "containers": {"cna": {"title": "Capstone doesn't check vsnprintf return in SStream_concat, allows stack buffer underflow and overflow", "problemTypes": [{"descriptions": [{"cweId": "CWE-124", "lang": "en", "description": "CWE-124: Buffer Underwrite ('Buffer Underflow')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-120", "lang": "en", "description": "CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/capstone-engine/capstone/security/advisories/GHSA-85f5-6xr3-q76r", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/capstone-engine/capstone/security/advisories/GHSA-85f5-6xr3-q76r"}, {"name": "https://github.com/capstone-engine/capstone/commit/2c7797182a1618be12017d7d41e0b6581d5d529e", "tags": ["x_refsource_MISC"], "url": "https://github.com/capstone-engine/capstone/commit/2c7797182a1618be12017d7d41e0b6581d5d529e"}], "affected": [{"vendor": "capstone-engine", "product": "capstone", "versions": [{"version": "<= 6.0.0-Alpha5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-12-17T21:14:31.226Z"}, "descriptions": [{"lang": "en", "value": "Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, an unchecked vsnprintf return in SStream_concat lets a malicious cs_opt_mem.vsnprintf drive SStream\u2019s index negative or past the end, leading to a stack buffer underflow/overflow when the next write occurs. Commit 2c7797182a1618be12017d7d41e0b6581d5d529e fixes the issue."}], "source": {"advisory": "GHSA-85f5-6xr3-q76r", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, an unchecked vsnprintf return in SStream_concat lets a malicious cs_opt_mem.vsnprintf drive SStream\u2019s index negative or past the end, leading to a stack buffer underflow/overflow when the next write occurs. Commit 2c7797182a1618be12017d7d41e0b6581d5d529e fixes the issue."}], "id": "CVE-2025-68114", "lastModified": "2025-12-17T22:16:01.400", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 3.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-12-17T22:16:01.400", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/capstone-engine/capstone/commit/2c7797182a1618be12017d7d41e0b6581d5d529e"}, {"source": "security-advisories@github.com", "url": "https://github.com/capstone-engine/capstone/security/advisories/GHSA-85f5-6xr3-q76r"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}, {"lang": "en", "value": "CWE-124"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}