Apple macOS Floats type confusion

Summaryinfo

A vulnerability classified as critical was found in Apple macOS. This vulnerability affects unknown code of the component Floats Handler. The manipulation results in type confusion. This vulnerability is identified as CVE-2025-24213. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple macOS (version unknown). It has been classified as critical. Affected is an unknown function of the component Floats Handler. The manipulation with an unknown input leads to a type confusion vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

This issue was addressed with improved handling of floats. This issue is fixed in tvOS 18.4, Safari 18.4, iPadOS 17.7.6, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4. A type confusion issue could lead to memory corruption.

The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2025-24213 since 01/17/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/25/2025).

The vulnerability scanner Nessus provides a plugin with the ID 234140 (Debian dsa-5899 : gir1.2-javascriptcoregtk-4.0 - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (234140) and CERT Bund (WID-SEC-2025-0728). Once again VulDB remains the best source for vulnerability data.

Affected

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• SUSE Linux
• Oracle Linux
• Gentoo Linux
• RESF Rocky Linux
• Ubuntu Linux
• Red Hat OpenShift
• Open Source WebKitGTK

Productinfo

Type

• Operating System

Vendor

• Apple

Name

• macOS

License

• commercial

Website

• Vendor: https://www.apple.com/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Once again VulDB remains the best source for vulnerability data.

Discussion