Apple macOS memory corruption

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

Summaryinfo

A vulnerability was found in Apple macOS. It has been rated as critical. The affected element is an unknown function. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2023-40391. The attack must be carried out locally. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple macOS (Operating System) (version unknown). This issue affects an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The issue was addressed with improved memory handling. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, macOS Sonoma 14, Xcode 15. An app may be able to disclose kernel memory.

The weakness was presented 09/27/2023. The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2023-40391 since 08/14/2023. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: 🔍

Timelineinfo

08/14/2023 🔍
09/27/2023 +44 days 🔍
09/27/2023 +0 days 🔍
11/06/2025 +771 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2023-40391 (🔍)
GCVE (CVE): GCVE-0-2023-40391
GCVE (VulDB): GCVE-100-240653
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 09/27/2023 19:17
Updated: 11/06/2025 14:01
Changes: 09/27/2023 19:17 (39), 10/20/2023 14:19 (11), 11/06/2025 14:01 (16)
Complete: 🔍
Cache ID: 216::103

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