CVE-2025-68114 Capstone doesn't check vsnprintf return in SStream_concat, allows stack buffer underflow and overflow

Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, an unchecked vsnprintf return in SStreamconcat lets a malicious csoptmem.vsnprintf drive SStream’s index negative or past the end, leading to a stack buffer underflow/overflow when the next write occurs. Commit...