CVE-2025-43186

The issue was addressed with improved memory handling

Critical · published July 29, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
68.3
In the wild
Unconfirmed
What it is

🚨 A sneaky bug in parsing files could unexpectedly crash your app! 🔥 Think of it like a restaurant where a diner orders an unusual dish, but the chef misinterprets the order and sets off a chain reaction that leaves the entire kitchen in chaos — that’s what this vulnerability can do to your app's stability. An attacker exploiting this flaw could lead to unexpected app terminations, causing a frustrating experience for users and potential data loss. In a worse-case scenario, it could create opportunities for malicious activity to occur while users are unaware. It's absolutely devastating for app reliability!

Put simply

Think of it like a restaurant where a diner orders an unusual dish, but the chef misinterprets the order and sets off a chain reaction that leaves the entire kitchen in chaos — that’s what this vulnerability can do to your app's stability. This vulnerability arises from improper memory handling when parsing files, allowing an unexpected app termination, which can disrupt normal operations without warning.

What to do

An attacker exploiting this flaw could lead to unexpected app terminations, causing a frustrating experience for users and potential data loss. In a worse-case scenario, it could create opportunities for malicious activity to occur while users are unaware. It's absolutely devastating for app reliability! To protect against this critical issue, update your devices to iOS 18.6, iPadOS 18.6, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, or watchOS 11.6 immediately. Always ensure your software is up-to-date to take advantage of the latest security patches. You've got this! Follow these updates and keep your apps running smoothly! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01212 · 68.3th percentile
Published
2025-07-29T23:36Z
EPSS history
Timeline
  • 29 JUL 23:36Z
    The issue was addressed with improved memory handling
    cvelistv5