CVE-2025-43535: Integer Overflow

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, Riley Walz, CVE-2024-7264, CVE-2025-9086, Yiğit Ocak, Andrew Calvano(Meta Product Security), Lucas Pinheiro(Meta Product Security), Duy Trần@@khanhduytran0, Kaitao Xie(Alibaba Group), Xiaolong Bai(Alibaba Group), Rosyna Keller(Totally Not Malicious Software), 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), CVE-2025-5918, 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), Mickey Jin@@patch1t, 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, Noah Gregory (wts.dev), iG0x72(XiguaSec), JJ(XiguaSec), Lehan Dilusha Jayasinghe, Kirin@@Pwnrin, Jex Amro, Ron Elemans, Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Csaba Fitzl@@theevilbit(Iru), Kenneth Chew, 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, Morris Richman@@morrisinlife, Gergely Kalman@@gergely_kalman, Kay Belardinelli (Harvard University)

Affected Software

14 affected componentsFixes available
Apple iOS<26.2
26.2
Apple iPadOS<26.2
26.2
Apple Safari<26.2
26.2
Apple visionOS<26.2
26.2
Apple macOS Tahoe<26.2
26.2
Apple iOS<18.7.3
18.7.3
Apple iPadOS<18.7.3
18.7.3
Apple Safari<26.2
Apple iPadOS<18.7.3
Apple iPadOS>=26.0<26.2
Apple iPhone OS<18.7.3
Apple iPhone OS>=26.0<26.2
Apple macOS<26.2
Apple visionOS<26.2

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
Description
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
Dec 17, 2025
Data Sourced
via Red Hat·03:57 PM
DescriptionSeverityAffected Software
CVE Published
via MITRE·08:47 PM
Data Sourced
via MITRE·08:47 PM
DescriptionWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-43535?

CVE-2025-43535 is considered a significant vulnerability due to its potential impact on application permissions and code-signing verification.

2

How do I fix CVE-2025-43535?

To fix CVE-2025-43535, users should update their Apple iOS, iPadOS, macOS Tahoe, or Safari to the latest versions 18.7.3 or 26.2, respectively.

3

Which Apple products are affected by CVE-2025-43535?

CVE-2025-43535 affects Apple iOS, iPadOS, macOS Tahoe, Safari, and visionOS versions up to 18.7.3 and 26.2.

4

What types of issues does CVE-2025-43535 address?

CVE-2025-43535 addresses a permissions issue, a bounds check issue in AppleJPEG, and a downgrade issue related to code-signing on Intel-based Macs.

5

Is CVE-2025-43535 specific to certain device models?

CVE-2025-43535 impacts multiple Apple devices running affected versions of iOS, iPadOS, macOS, and Safari, not limited to specific models.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203