{"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"}}]}}