CVE-2025-43542: Input Validation

Published Dec 12, 2025
·
Updated

App Store. A permissions issue was addressed with additional restrictions.

Other sources

AppleJPEG. The issue was addressed with improved bounds checks.

— Apple

AppleMobileFileIntegrity. A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions.

— Apple

AppleMobileFileIntegrity. A permissions issue was addressed with additional restrictions.

— Apple

AppleMobileFileIntegrity. The issue was addressed by adding additional logic.

— Apple

AppSandbox. A logic issue was addressed with improved file handling.

— Apple

Credit

Michael Reeves@@IntegralPilot, Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), an anonymous researcher, Jex Amro, Wojciech Regula(SecuRing), Riley Walz, CVE-2024-7264, CVE-2025-9086, Yiğit Ocak, Noah Gregory (wts.dev), Andrew Calvano(Meta Product Security), Lucas Pinheiro(Meta Product Security), Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), Kaitao Xie(Alibaba Group), Xiaolong Bai(Alibaba Group), CVE-2025-5918, Rosyna Keller(Totally Not Malicious Software), Haoling Zhou(SecLab of The Ohio State University), Shixuan Zhao@@NSKernel(SecLab of The Ohio State University), Chao Wang@@evi0s(SecLab of The Ohio State University), Zhiqiang Lin(SecLab of The Ohio State University), Mickey Jin@@patch1t, Amy@@asentientbot, Gergely Kalman@@gergely_kalman, Kay Belardinelli (Harvard University), floeki(IES Red Team of ByteDance), Zhongcheng Li(IES Red Team of ByteDance), Duy Trần@@khanhduytran0, Google Threat Analysis Group, an anonymous researcher(Technische Hochschule Ingolstadt), Michael Schmutzer(Technische Hochschule Ingolstadt), Iván Savransky, Bing Shi(Alibaba Group), Wenchao Li(Alibaba Group), (Indiana University Bloomington), Luyi Xing(Indiana University Bloomington), Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), Google Big Sleep, Nan Wang@@eternalsakura13, Phil Pizlo(Epic Games), Apple, 이동하 (Lee Dong Ha(BoB 14th), Sumanth Rao(UC San Diego), Ye Shu(UC San Diego), Stefan Savage(UC San Diego), Aaron Schulman(UC San Diego), Geoffrey M. Voelker(UC San Diego), Enze Liu (Carnegie Mellon University), Andrei Simion, piffz, Daniel Nurkin, Al Sadman Awal, Mohamed Hamdadou & Mahran Alhazmi, Hichem Maloufi, Christian Mina, Gerson Aldaz, qwerty j0y & Ricardo Garcia, Dorian Del Valle, iG0x72(XiguaSec), JJ(XiguaSec), Lehan Dilusha Jayasinghe, Kirin@@Pwnrin, Ron Elemans, Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Csaba Fitzl@@theevilbit(Iru), Kenneth Chew, Atul R V, @@retsew0x01, Morris Richman@@morrisinlife

Affected Software

8 affected componentsFixes available
Apple iOS<18.7.3
18.7.3
Apple iPadOS<18.7.3
18.7.3
Apple macOS Tahoe<26.2
26.2
Apple iOS<26.2
26.2
Apple iPadOS<26.2
26.2
Apple visionOS<26.2
26.2
Apple macOS Sequoia<15.7.3
15.7.3
Apple macOS<15.7.3

Event History

Dec 12, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Affected Software
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
CVE Published
via MITRE·08:56 PM
Data Sourced
via MITRE·08:56 PM
DescriptionWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2025-43542?

CVE-2025-43542 is categorized as a critical vulnerability due to its potential impact on user permissions and security.

2

How do I fix CVE-2025-43542?

To fix CVE-2025-43542, you should update your Apple iOS, iPadOS, macOS Tahoe, or visionOS to the latest version, ensuring it is at least 26.2 or 18.7.3 as applicable.

3

What systems are affected by CVE-2025-43542?

CVE-2025-43542 affects various Apple products including iOS, iPadOS, macOS Tahoe, macOS Sequoia, and visionOS up to certain versions.

4

What type of issue does CVE-2025-43542 address?

CVE-2025-43542 addresses a permissions issue along with bounds checks and code-signing restrictions affecting multiple Apple platforms.

5

Is there a specific version that resolves CVE-2025-43542?

Yes, the resolution for CVE-2025-43542 is included in Apple software versions 18.7.3 and 26.2, depending on the product.

Company

Resources

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