CVE-2025-43237

An out-of-bounds write issue was addressed with improved bounds checking

Critical · published July 29, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
44.3
In the wild
Unconfirmed
What it is

🔥 An out-of-bounds write issue is wreaking havoc, causing unexpected system terminations in macOS Sequoia 15.6! Think of it as a recipe where someone accidentally dumps too much salt into the mix — it ruins the entire dish! In this case, the faulty bounds checking lets rogue applications mess with how data is stored, leading to crashes. If exploited, this vulnerability could lead to system instability or crashes, potentially impacting your productivity and causing data loss. This isn't just a mild hiccup; it's a recipe for disaster! Imagine trying to get work done when your system crashes unexpectedly — absolutely devastating.

Put simply

Think of it as a recipe where someone accidentally dumps too much salt into the mix — it ruins the entire dish! In this case, the faulty bounds checking lets rogue applications mess with how data is stored, leading to crashes. This out-of-bounds write issue allows applications to write data outside the intended memory area due to inadequate bounds checking, which can trigger unexpected behavior or crashes.

What to do

If exploited, this vulnerability could lead to system instability or crashes, potentially impacting your productivity and causing data loss. This isn't just a mild hiccup; it's a recipe for disaster! Imagine trying to get work done when your system crashes unexpectedly — absolutely devastating. Update your system to macOS Sequoia 15.6 immediately to address this critical vulnerability. Ensure that you regularly check for updates to prevent such issues from cropping up again. You've got this! Keep your software updated, and you'll be a security hero in no time! 🛡️

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
0.00535 · 44.3th percentile
Published
2025-07-29T23:54Z
EPSS history
Timeline
  • 29 JUL 23:54Z
    An out-of-bounds write issue was addressed with improved bounds checking
    cvelistv5