CVE-2025-67873

Capstone CVE-2025-67873 affects the disassembly framework in 6.0.0-Alpha5 and earlier. A missing bounds check on a user-provided skipdata callback allows memcpy beyond 24 bytes into cs_insn.bytes, causing a heap buffer overflow in the disassembly path. The exploit path and impact are described in...

CVE-2025-68114

Capstone CVE-2025-68114 affects Capstone 6.0.0-Alpha5 and earlier. The vulnerability arises from an unchecked return value from vsnprintf in SStream_concat, which can drive SStream’s index negative or past the end and cause a stack buffer underflow/overflow on the next write. The issue has a fixe...

CVE-2026-47143

Capstone disassembly framework vulnerability CVE-2026-47143 affects Capstone builds compiled with -DCAPSTONE_X86_REDUCE. A NULL pointer dereference in modRMRequired() and decode() when disassembling 3DNow! opcodes (0F 0F) can crash applications using the reduced X86 library if given a crafted inp...