Apple Fixes Serious Security Flaw in Font Processing Across Multiple Devices
Recently, Apple announced an important fix for a security issue that could allow harmful fonts to damage the way your apps work. Think of it like a hidden trapdoor in your home: if someone sneaks in through that door, it could cause a mess or even damage your belongings.
Who is at Risk?
This vulnerability, identified as CVE-2025-43400, affects several Apple devices, specifically ones running the following operating systems:
- macOS Sonoma, Tahoe, and Sequoia
- iOS 18.7.1 and 26.0.1, iPadOS 18.7.1 and 26.0.1
- iPhone XS and later models
- iPad Air 3rd generation and later
- iPad Pro models 11-inch and 12.9-inch (3rd generation and later)
- iPad mini 5th generation and later
If you happen to process a corrupted font on any of these devices, it might result in unexpected app crashes or could even corrupt the memory of your device, leading to various issues.
How to Stay Safe
Acting quickly can protect your device and your data:
- Update Your System: Go to your device’s settings and ensure you have updated to the latest version of your operating system (for example, macOS Sonoma 14.8.1 or iOS 26.0.1).
- Check for Updates Frequently: Regularly checking for updates ensures that your device stays protected from newly discovered vulnerabilities.
- Monitor App Behavior: If you notice apps crashing unexpectedly, it might be a sign that you are affected by issues like this one.
Treat this as your cue to safeguard your digital environment, much like locking your doors and windows. Don't wait! Ensuring that all your essential updates are installed can make all the difference in keeping your device secure.
📖 Learn more: NVD CVE-2025-43400 | Apple Support
