Apple iOS/iPadOS up to 18.7 Web use after free

Summaryinfo

A vulnerability was found in Apple iOS and iPadOS. It has been declared as critical. The affected element is an unknown function of the component Web Handler. The manipulation results in use after free. This vulnerability is known as CVE-2025-43368. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS and iPadOS. It has been classified as critical. Affected is some unknown processing of the component Web Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability. CVE summarizes:

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26, macOS Tahoe 26, iOS 26 and iPadOS 26. Processing maliciously crafted web content may lead to an unexpected Safari crash.

The advisory is available at support.apple.com. This vulnerability is traded as CVE-2025-43368 since 04/16/2025. 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. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 01/25/2026).

The vulnerability scanner Nessus provides a plugin with the ID 265819 (Fedora 42 : webkitgtk (2025-fcc043d407)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 26.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (265819) and CERT Bund (WID-SEC-2025-2104). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• IGEL OS
• SUSE openSUSE
• RESF Rocky Linux
• Open Source WebKitGTK

Productinfo

Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS
• iPadOS

Version

• 10.15.0
• 12.4.7
• 12.5.2
• 12.5.3
• 12.7
• 13.0
• 13.0.1
• 13.1
• 13.1.1
• 13.2
• 13.3
• 13.3.1
• 13.4
• 13.4.1
• 13.5
• 13.5.1
• 13.6
• 13.7
• 14.0
• 14.2
• 14.3
• 14.4
• 14.4.1
• 14.4.2
• 14.5
• 14.5.0
• 14.5.1
• 14.6
• 14.7
• 14.7.1
• 14.8
• 15
• 15.0
• 15.0.1
• 15.0.2
• 15.1
• 15.2
• 15.2.1
• 15.3
• 15.3.1
• 15.4
• 15.4.1
• 15.5
• 15.6
• 15.6.1
• 15.7
• 15.7.1
• 15.7.4
• 16.2
• 16.3
• 16.3.1
• 16.4
• 16.4.1
• 16.5
• 16.5.1
• 16.6
• 16.6.1
• 16.7
• 16.7.2
• 16.7.3
• 16.7.6
• 17
• 17.0
• 17.0.3
• 17.1
• 17.2
• 17.3
• 17.4
• 17.4.0
• 17.5
• 17.7
• 17.7.4
• 17.7.5
• 18
• 18.0
• 18.0.1
• 18.1
• 18.2
• 18.3
• 18.3.0
• 18.3.1
• 18.4
• 18.5
• 18.6
• 18.7

License

• commercial

Website

• Vendor: https://www.apple.com/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

CVSSv3info

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Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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