PC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Crashes, No Sound, or Screen Glitches?
Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteYes. Two flaws in Apple’s outbound iCloud Mail processing let an authenticated iCloud user make a message appear to come from an arbitrary @icloud.com address, without taking over that person’s account. Security consultant Timo Longin of SEC Consult says Apple’s final fixes were verified on December 9, 2025. The technical disclosure was published on October 1, 2026.
What the iCloud Mail flaws allowed
The flaws were in Apple’s outbound email pipeline: the systems that process messages sent through iCloud Mail. A person sending a crafted message from an authenticated iCloud account could cause its visible From: header to name another @icloud.com address. The apparent sender did not need to have their account compromised.
Email has more than one sender identity. The visible From: header is part of the message, while the SMTP envelope sender—set with MAIL FROM and often reflected in a delivered message’s Return-Path—is separate. Because mail applications commonly emphasize the visible From address, a mismatch can mislead a recipient about who sent a message.
SEC Consult described the issue as a form of “header smuggling”: different components interpreted crafted email data differently. The two reported techniques shared that underlying problem; they were not two ways to log in to a victim’s account or access a recipient’s mailbox.
Do these 3 things before closing this tab:
1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitches#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
How the two techniques differed
| Technique | Parsing discrepancy | Effect |
|---|---|---|
| Carriage-return manipulation | An initial parser ignored a malformed From: header during sender validation; a later component stripped or normalized the carriage-return characters and processed a different header. |
The message could pass the sender check and be processed with a forged visible From: address. |
| Dot-stuffing and dot-peeling | After Apple changed the first behavior, SEC Consult reported inconsistent handling of SMTP dot-stuffing across parsers. Subsequent testing found interim changes had not fully stopped spoofing. | A second parsing discrepancy again let the message pass sender validation and be interpreted differently downstream. |
These are descriptions of the reported behavior, not instructions for crafting a spoofed message.
Why SPF, DKIM, and DMARC could still pass
SEC Consult demonstrated messages with a forged visible identity that passed SPF, DKIM, and DMARC. The message traveled through Apple’s legitimate sending infrastructure, and, according to the disclosure, DKIM signing occurred after the affected parsing stage. Because the visible From domain remained icloud.com, domain-alignment checks could also pass.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
A pass result therefore did not establish that the person named in From: had authored the message. It showed that the message passed authentication checks as processed by the provider. This incident does not mean that every message passing SPF, DKIM, and DMARC is unsafe; it shows why authentication results alone could not rule out this specific provider-side parsing flaw.
When Apple fixed the reported issues
| Date | Disclosure and remediation milestone |
|---|---|
| May 21, 2024 | SEC Consult submitted its initial report about carriage-return manipulation in the From header. |
| November 4, 2024 | Apple confirmed that the first report had been remediated. |
| November 19, 2024 | Apple awarded the report a $15,000 Security Bounty, according to SEC Consult’s timeline. |
| December 6, 2024 | SEC Consult found a second related parsing issue. |
| May 2025 | Apple said an update had shipped; SEC Consult later confirmed that a bypass remained. |
| December 9, 2025 | SEC Consult confirmed that deployed fixes remediated the reported issues. |
| October 1, 2026 | SEC Consult published its technical account. |
| October 5, 2026 | SC Media published a report on the disclosure. |
The status here reflects the researcher’s verification of the deployed fixes. The incident-specific sources do not identify an official Apple security advisory number.
The Tool Desk
Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
What recipients and email investigators should check
A spoofed message could still leave clues in its full headers. When investigating suspicious mail, compare the visible From: address with Return-Path and review the authentication results and other delivery information. A mismatch can be a useful signal, though a header check by itself is not a substitute for evaluating the message and its context.
- Be cautious with unexpected requests for passwords, payments, or urgent action, even if the sender’s name looks familiar or authentication indicators say “pass.”
- Verify sensitive requests through a separate, previously known contact method—not by replying to the suspicious message or using contact details it supplies.
- For organizational investigations, preserve and examine the complete message headers rather than relying only on the From address shown in the mail app.
What is not established
The reviewed incident reports do not establish confirmed attacks in the wild, a count of affected users, or the prevalence of the flaw. They document a demonstrated spoofing weakness in Apple’s outbound processing and the researcher’s verification of remediation; they do not show that attackers could access victims’ accounts or read their mailboxes.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
