VDB-232305 · CVE-2023-32435 · EUVD-2023-36679

Apple macOS State Management memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.9	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Apple macOS and classified as critical. The impacted element is an unknown function of the component State Management Handler. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2023-32435. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple macOS (Operating System) (the affected version unknown). It has been classified as critical. This affects an unknown part of the component State Management Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A memory corruption issue was addressed with improved state management. This issue is fixed in Safari 16.4, iOS 16.4 and iPadOS 16.4, macOS Ventura 13.3, iOS 15.7.7 and iPadOS 15.7.7. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.

The weakness was published 06/24/2023. The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2023-32435 since 05/08/2023. It demands that the victim is doing some kind of user interaction. Technical details are unknown but an exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/03/2026). It is expected to see the exploit prices for this product increasing in the near future.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 239906 (TencentOS Server 3: webkit2gtk3 (TSSA-2023:0190)), which helps to determine the existence of the flaw in a target environment. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 06/23/2023 with a due date of 07/14/2023:

Apply updates per vendor instructions.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Zero-Day.cz (783), Tenable (239906) and EUVD (EUVD-2023-36679). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Operating System

Vendor

Apple

Name

macOS

License

commercial

Website

Vendor: https://www.apple.com/

CPE 2.3info

🔍

CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 239906
Nessus Name: TencentOS Server 3: webkit2gtk3 (TSSA-2023:0190)

Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/08/2023 🔍
06/23/2023 +46 days 🔍
06/24/2023 +0 days 🔍
01/03/2026 +924 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2023-32435 (🔍)
GCVE (CVE): GCVE-0-2023-32435
GCVE (VulDB): GCVE-100-232305
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 06/24/2023 00:55
Updated: 01/03/2026 02:08
Changes: 06/24/2023 00:55 (41), 07/18/2023 10:05 (11), 04/29/2024 05:34 (23), 05/15/2024 17:15 (1), 06/10/2024 10:49 (2), 09/09/2024 22:30 (2), 12/16/2024 21:30 (11), 04/25/2025 10:41 (3), 06/18/2025 13:40 (2), 10/21/2025 22:01 (1), 01/03/2026 02:08 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.