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

Capstone is a disassembly framework with the target of becoming the ultimate disasm engine for binary analysis and reversing in the security community. Security Fix(es): * capstone: Capstone: Memory corruption via unchecked vsnprintf return (CVE-2025-68114) * capstone: Capstone: Heap buffer overflow via skipdata callback allows denial of service or arbitrary code execution. (CVE-2025-67873) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Where it's fixed