Apple macOS Web type confusion

CVSS Meta Temp Score
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS. It has been declared as critical. Impacted is an unknown function of the component Web Handler. Executing a manipulation can lead to type confusion. This vulnerability is registered as CVE-2024-23222. It is possible to launch the attack remotely. Furthermore, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Apple macOS (Operating System) (version now known). This vulnerability affects some unknown processing of the component Web Handler. The manipulation with an unknown input leads to a type confusion vulnerability. The CWE definition for the vulnerability is CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A type confusion issue was addressed with improved checks. This issue is fixed in Safari 17.3, iOS 15.8.7 and iPadOS 15.8.7, iOS 16.7.5 and iPadOS 16.7.5, iOS 17.3 and iPadOS 17.3, macOS Monterey 12.7.3, macOS Sonoma 14.3, macOS Ventura 13.6.4, tvOS 17.3, visionOS 1.0.2. Processing maliciously crafted web content may lead to arbitrary code execution. This fix associated with the Coruna exploit was shipped in iOS 17.3 on January 22, 2024. This update brings that fix to devices that cannot update to the latest iOS version.

The weakness was published 01/23/2024. The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2024-23222 since 01/12/2024. Successful exploitation requires user interaction by the victim. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/02/2026). 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 209834 (SUSE SLES12 Security Update : webkit2gtk3 (SUSE-SU-2024:3751-1)), which helps to determine the existence of the flaw in a target environment. This issue was added on 01/23/2024 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 02/13/2024:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Zero-Day.cz (851), Tenable (209834) and CERT Bund (WID-SEC-2026-0705). Once again VulDB remains the best source for vulnerability data.

Affected

  • Apple iOS
  • Apple iPadOS

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.1

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: 🔍

ADP CISA Base Score: 8.8
ADP CISA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Type confusion
CWE: CWE-843
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: 🔍

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Nessus ID: 209834
Nessus Name: SUSE SLES12 Security Update : webkit2gtk3 (SUSE-SU-2024:3751-1)

Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/12/2024 🔍
01/23/2024 +11 days 🔍
01/23/2024 +0 days 🔍
04/02/2026 +800 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: FEDORA-2024-97faaca23d
Status: Confirmed

CVE: CVE-2024-23222 (🔍)
GCVE (CVE): GCVE-0-2024-23222
GCVE (VulDB): GCVE-100-251740
CERT Bund: WID-SEC-2026-0705 - Apple iOS und iPadOS: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 01/23/2024 06:52
Updated: 04/02/2026 23:44
Changes: 01/23/2024 06:52 (40), 02/16/2024 12:11 (1), 02/16/2024 12:19 (11), 04/30/2024 12:33 (26), 05/15/2024 17:15 (2), 06/05/2024 08:46 (2), 06/11/2024 05:50 (1), 09/09/2024 22:30 (2), 10/27/2024 21:01 (2), 02/04/2025 01:40 (11), 04/20/2025 16:00 (3), 11/06/2025 22:21 (1), 03/12/2026 03:10 (12), 03/12/2026 16:21 (7), 04/02/2026 23:44 (1)
Complete: 🔍
Cache ID: 216::103

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