CVE-2026-76788

The Zephyr RTOS OSDP Control Panel reply parser contains a stack out-of-bounds write in cp_decode_response() within subsys/mgmt/osdp/src/osdp_cp.c. When processing REPLY_KEYPPAD or REPLY_RAW types, the parser fails to validate that the payload length stays within the fixed 64-byte OSDP_EVENT_MAX_...