{"api_version":"1","generated_at":"2026-08-21T17:13:51+00:00","cve":"CVE-2026-55894","urls":{"html":"https://cve.report/CVE-2026-55894","api":"https://cve.report/api/cve/CVE-2026-55894.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-55894","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-55894"},"summary":{"title":"Capstone SH disassembler `sh_disassemble` out-of-bounds read via crafted SH2A bytecode","description":"Capstone is a disassembly framework. In 6.0.0-Alpha9 and earlier, Capstone's arch/SH/SHDisassembler.c sh_disassemble() function computes an idx value from a raw 16-bit instruction without ensuring it is within the active mode-specific decode[] function-pointer table. An application using CS_ARCH_SH with CS_MODE_SH2A or CS_MODE_SH4A and CS_MODE_SHFPU can pass crafted bytecode through cs_disasm_iter() or cs_disasm(), causing the decode[idx] test to read outside the table and terminate the process with a segmentation fault. No code execution or information disclosure was demonstrated. This issue is fixed in version 6.0.0-Alpha10.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-08-20 22:17:22","updated_at":"2026-08-21 15:16:42"},"problem_types":["CWE-125","CWE-125 CWE-125: Out-of-bounds 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