Apple macOS up to 18.4 App denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Apple macOS. This affects an unknown function of the component App. This manipulation causes denial of service. This vulnerability is tracked as CVE-2025-43355. The attack is restricted to local execution. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple macOS. It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component App. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

A type confusion issue was addressed with improved memory handling. This issue is fixed in tvOS 26, macOS Sonoma 14.8, macOS Sequoia 15.7, iOS 18.7 and iPadOS 18.7, visionOS 26, watchOS 26, macOS Tahoe 26, iOS 26 and iPadOS 26. An app may be able to cause a denial-of-service.

The advisory is shared at support.apple.com. This vulnerability is known as CVE-2025-43355 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.

Upgrading to version 26.0 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: macOS 26.0

Timelineinfo

04/16/2025 CVE reserved
09/16/2025 +153 days Advisory disclosed
09/16/2025 +0 days VulDB entry created
09/16/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2025-43355 (🔒)
GCVE (CVE): GCVE-0-2025-43355
GCVE (VulDB): GCVE-100-324277
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 09/16/2025 07:57
Changes: 09/16/2025 07:57 (57)
Complete: 🔍
Cache ID: 216::103

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