CVE-2025-67873

{"id": "CVE-2025-67873", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-67873", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-12-18T14:55:59.806611Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 1.3}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "capstone-engine", "product": "capstone", "versions": [{"status": "affected", "version": "<= 6.0.0-Alpha5"}]}]}], "published": "2025-12-17T22:16:00.147", "references": [{"url": "https://github.com/capstone-engine/capstone/commit/cbef767ab33b82166d263895f24084b75b316df3", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/capstone-engine/capstone/security/advisories/GHSA-hj6g-v545-v7jg", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/capstone-engine/capstone/security/advisories/GHSA-hj6g-v545-v7jg", "tags": ["Exploit", "Vendor Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, Skipdata length is not bounds-checked, so a user-provided skipdata callback can make cs_disasm/cs_disasm_iter memcpy more than 24 bytes into cs_insn.bytes, causing a heap buffer overflow in the disassembly path. Commit cbef767ab33b82166d263895f24084b75b316df3 fixes the issue."}, {"lang": "es", "value": "Capstone es un framework de desensamblado. En las versiones 6.0.0-Alpha5 y anteriores, la longitud de Skipdata no se verifica en los l\u00edmites, por lo que una devoluci\u00f3n de llamada de skipdata proporcionada por el usuario puede hacer que cs_disasm/cs_disasm_iter copie en memoria m\u00e1s de 24 bytes en cs_insn.bytes, causando un desbordamiento de b\u00fafer de mont\u00f3n en la ruta de desensamblado. El commit cbef767ab33b82166d263895f24084b75b316df3 corrige el problema."}], "lastModified": "2026-10-13T11:10:00.203", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:capstone-engine:capstone:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DD22C7C2-F647-4AB5-BEB4-C70F722C0419", "versionEndExcluding": "6.0.0"}, {"criteria": "cpe:2.3:a:capstone-engine:capstone:6.0.0:alpha1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "99F76525-F73B-4F66-AE46-A1ECAF0C7A0C"}, {"criteria": "cpe:2.3:a:capstone-engine:capstone:6.0.0:alpha2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "442C7F48-5BEE-4702-AC0F-DE5C70FAA93F"}, {"criteria": "cpe:2.3:a:capstone-engine:capstone:6.0.0:alpha3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3C88415A-376C-4F7F-9D7D-3CB5C8FB9346"}, {"criteria": "cpe:2.3:a:capstone-engine:capstone:6.0.0:alpha4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "67358CE5-F734-4E55-B021-D3AC5D937DD4"}, {"criteria": "cpe:2.3:a:capstone-engine:capstone:6.0.0:alpha5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9DED59B8-DC00-4323-89FA-044F7666AF5D"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}