Apple macOS/tvOS/visionOS/watchOS/iOS/iPadOS up to 14.8.1/15.7.1 App memory corruption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $5k-$25k | 0.00 |
Summary
A vulnerability was found in Apple macOS, tvOS, visionOS, watchOS, iOS and iPadOS up to 14.8.1/15.7.1. It has been classified as critical. Impacted is an unknown function of the component App. This manipulation causes memory corruption. This vulnerability is registered as CVE-2025-43398. The attack needs to be launched locally. No exploit is available. Upgrading the affected component is recommended.
Details
A vulnerability has been found in Apple macOS, tvOS, visionOS, watchOS, iOS and iPadOS up to 14.8.1/15.7.1 and classified as critical. Affected by this vulnerability is an unknown code block of the component App. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. The summary by CVE is:
The issue was addressed with improved memory handling. This issue is fixed in tvOS 26.1, watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, iOS 18.7.2 and iPadOS 18.7.2, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, visionOS 26.1. An app may be able to cause unexpected system termination.
The advisory is shared at support.apple.com. This vulnerability is known as CVE-2025-43398 since 04/16/2025. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/18/2025).
Upgrading to version 14.8.2 or 15.7.2 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2475). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Affected
- Apple macOS
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: macOS/tvOS/visionOS/watchOS/iOS/iPadOS 14.8.2/15.7.2
Timeline
04/16/2025 CVE reserved11/04/2025 Advisory disclosed
11/04/2025 VulDB entry created
12/18/2025 VulDB entry last update
Sources
Vendor: apple.comAdvisory: support.apple.com
Status: Confirmed
CVE: CVE-2025-43398 (🔒)
GCVE (CVE): GCVE-0-2025-43398
GCVE (VulDB): GCVE-100-331105
CERT Bund: WID-SEC-2025-2475 - Apple macOS: Mehrere Schwachstellen
scip Labs: https://www.scip.ch/en/?labs.20180712
Entry
Created: 11/04/2025 08:11Updated: 12/18/2025 03:23
Changes: 11/04/2025 08:11 (57), 11/14/2025 14:25 (7), 12/18/2025 03:23 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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