{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-47143", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-18T19:50:18.696Z", "datePublished": "2026-07-21T20:10:44.476Z", "dateUpdated": "2026-07-22T13:42:55.326Z"}, "containers": {"cna": {"title": "Capstone has a NULL Pointer Dereference with 3DNow! opcodes", "problemTypes": [{"descriptions": [{"cweId": "CWE-476", "lang": "en", "description": "CWE-476: NULL Pointer Dereference", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/capstone-engine/capstone/security/advisories/GHSA-289w-cm54-fgrm", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/capstone-engine/capstone/security/advisories/GHSA-289w-cm54-fgrm"}, {"name": "https://github.com/capstone-engine/capstone/pull/2924", "tags": ["x_refsource_MISC"], "url": "https://github.com/capstone-engine/capstone/pull/2924"}, {"name": "https://github.com/capstone-engine/capstone/commit/a0201371719b5aaa91d318ab2898843718f92d1f", "tags": ["x_refsource_MISC"], "url": "https://github.com/capstone-engine/capstone/commit/a0201371719b5aaa91d318ab2898843718f92d1f"}, {"name": "https://github.com/capstone-engine/capstone/commit/fab595205fee206f5c21be6ed8ad2eaf9225f1c7", "tags": ["x_refsource_MISC"], "url": "https://github.com/capstone-engine/capstone/commit/fab595205fee206f5c21be6ed8ad2eaf9225f1c7"}], "affected": [{"vendor": "capstone-engine", "product": "capstone", "versions": [{"version": "< 5.0.8", "status": "affected"}, {"version": "< 6.0.0-Alpha8", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-21T20:10:44.476Z"}, "descriptions": [{"lang": "en", "value": "Capstone is a disassembly framework. Versions prior to 6.0.0-Alpha8 and 5.0.8 have a NULL pointer dereference in `modRMRequired()` and `decode()` when disassembling 3DNow! opcodes (`0F 0F`) in builds compiled with `-DCAPSTONE_X86_REDUCE`, allowing a remote attacker to crash any application using the reduced X86 Capstone library by supplying a crafted input containing the 4-byte sequence `0F 0F <modrm> <imm8>`. Versions 6.0.0-Alpha8 and 5.0.8 patch the issue."}], "source": {"advisory": "GHSA-289w-cm54-fgrm", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/capstone-engine/capstone/security/advisories/GHSA-289w-cm54-fgrm", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-22T13:42:44.951327Z", "id": "CVE-2026-47143", "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": "2026-07-22T13:42:55.326Z"}}]}}

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