CVE-2025-43526: 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

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

— Apple

AppSandbox. A permissions issue was addressed with additional restrictions.

— Apple

Credit

Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), @@retsew0x01, Wojciech Regula(SecuRing), Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), Nan Wang@@eternalsakura13, Google Big Sleep, Phil Pizlo(Epic Games), Google Threat Analysis Group, Apple, 이동하 (Lee Dong Ha(BoB 14th), floeki(IES Red Team of ByteDance), Zhongcheng Li(IES Red Team of ByteDance), Michael Reeves@@IntegralPilot, an anonymous researcher, Mickey Jin@@patch1t, Jex Amro, Riley Walz, CVE-2024-7264, CVE-2025-9086, Yiğit Ocak, Ron Elemans, Noah Gregory (wts.dev), Andrew Calvano(Meta Product Security), Lucas Pinheiro(Meta Product Security), Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Duy Trần@@khanhduytran0, Csaba Fitzl@@theevilbit(Iru), Kaitao Xie(Alibaba Group), Xiaolong Bai(Alibaba Group), Kenneth Chew, 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), Atul R V, an anonymous researcher(Technische Hochschule Ingolstadt), Michael Schmutzer(Technische Hochschule Ingolstadt), Kirin@@Pwnrin, Iván Savransky, Bing Shi(Alibaba Group), Wenchao Li(Alibaba Group), (Indiana University Bloomington), Luyi Xing(Indiana University Bloomington), Morris Richman@@morrisinlife, Gergely Kalman@@gergely_kalman, Kay Belardinelli (Harvard University)

Affected Software

4 affected componentsFixes available
Apple Safari<26.2
26.2
Apple macOS Tahoe<26.2
26.2
Apple Safari<26.2
Apple macOS<26.2

Event History

Dec 12, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected Software
Dec 17, 2025
CVE Published
via MITRE·08:46 PM
Data Sourced
via MITRE·08:46 PM
DescriptionWeakness
Data Sourced
via NVD·09:16 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-2025-43526?

CVE-2025-43526 has been addressed with additional restrictions to improve security in affected Apple products.

2

How do I fix CVE-2025-43526?

To fix CVE-2025-43526, update your Apple macOS Tahoe and Safari to version 26.2 or later.

3

Which products are affected by CVE-2025-43526?

CVE-2025-43526 affects Apple macOS Tahoe and Safari for versions prior to 26.2.

4

What type of issue does CVE-2025-43526 address?

CVE-2025-43526 addresses a permissions issue and a downgrade issue with additional code-signing restrictions.

5

Are there any notable improvements made in CVE-2025-43526?

CVE-2025-43526 includes improved bounds checks for AppleJPEG as part of the security enhancements.

Company

Resources

Contact

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