CVE-2025-43462CWE-400denial-of-service

CVE-2025-43462

High · published November 4, 2025

CVSS v3.1
7.5
EPSS
1%
Percentile
50.0
In the wild
Unconfirmed
What it is

⚡ A sneaky memory handling flaw could unexpectedly crash your Apple device! This vulnerability in iOS, macOS, and more could lead to serious headaches if left unaddressed! Think of this vulnerability like a leaky pipe in a well-constructed building; if undetected, it can lead to water damage that compromises the entire structure. In this case, the app can make the system fail or mess with kernel memory, creating instability like a sudden flood in your tech fortress. If exploited, this vulnerability could lead to unexpected system terminations, causing apps to crash and potentially corrupting vital kernel memory. Imagine having your device freeze up when you need it most—absolutely devastating for productivity and user experience!

Put simply

Think of this vulnerability like a leaky pipe in a well-constructed building; if undetected, it can lead to water damage that compromises the entire structure. In this case, the app can make the system fail or mess with kernel memory, creating instability like a sudden flood in your tech fortress. This vulnerability arises from improper memory handling, allowing applications to disrupt system processes and potentially corrupt kernel memory, which could lead to system instability and crashes.

What to do

If exploited, this vulnerability could lead to unexpected system terminations, causing apps to crash and potentially corrupting vital kernel memory. Imagine having your device freeze up when you need it most—absolutely devastating for productivity and user experience! To secure your devices, update to iOS 26.1, iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, and watchOS 26.1 as soon as possible. Ensure that all your apps are running on the latest supported versions to minimize risk. Don't wait—act now to keep your devices safe! You've got this! Just follow these steps and your devices will be fortified against this vulnerability! 🛡️

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00640 · 50.0th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2025-11-04T07:15Z
Affected products (5)
ProductVersionsFixed in
apple/ipados< 26.126.1
apple/iphone_os< 26.126.1
apple/tvos< 26.126.1
apple/visionos< 26.126.1
apple/watchos< 26.126.1
References (5)
EPSS history
Timeline
  • 04 NOV 01:16Z
    The issue was addressed with improved memory handling
    cvelistv5