SUSE-SU-2026:1344-1 Security update for libssh

This update for libssh fixes the following issues: - CVE-2026-3731: denial of service via out-of-bounds read in SFTP extension name handler bsc1259377. - CVE-2026-0964: SCP protocol path traversal in sshscppullrequest bsc1258049. - CVE-2026-0965: possible denial of service when parsing unexpected...