Fix for CVE-2023-35887 in apache/mina-sshd (project apache__mina-sshd_CVE-2023-35887_2.9.2), commit a61e93035f06bff8fc622ad94870fb773d48b9f0
Fixed file: sshd-sftp/src/main/java/org/apache/sshd/sftp/server/AbstractSftpSubsystemHelper.java
Fixed class: AbstractSftpSubsystemHelper (lines 115-3023)
Fixed method: validateRealPath (lines 1556-1561)
Method signature: SimpleImmutableEntry validateRealPath(int,String,Path,LinkOption)