| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Apple macOS. It has been classified as problematic. The affected element is an unknown function of the component Media File Handler. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2025-43221. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.
Details
A vulnerability, which was classified as problematic, was found in Apple macOS (unknown version). This affects an unknown code block of the component Media File Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. The summary by CVE is:
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.6, iOS 18.6 and iPadOS 18.6, visionOS 2.6, tvOS 18.6. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.
The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2025-43221 since 04/16/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 243030 (macOS 15.x < 15.6 Multiple Vulnerabilities (124149)), which helps to determine the existence of the flaw in a target environment.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (243030). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 243030
Nessus Name: macOS 15.x < 15.6 Multiple Vulnerabilities (124149)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Timeline
04/16/2025 CVE reserved07/30/2025 Advisory disclosed
07/30/2025 VulDB entry created
08/01/2025 VulDB entry last update
Sources
Vendor: apple.comAdvisory: support.apple.com
Status: Confirmed
CVE: CVE-2025-43221 (🔒)
GCVE (CVE): GCVE-0-2025-43221
GCVE (VulDB): GCVE-100-318225
scip Labs: https://www.scip.ch/en/?labs.20180712
Entry
Created: 07/30/2025 08:32Updated: 08/01/2025 10:08
Changes: 07/30/2025 08:32 (55), 07/31/2025 10:20 (2), 08/01/2025 10:08 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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