CVE-2025-46277: Integer Overflow

Published Dec 12, 2025
·
Updated

A logging issue was addressed with improved data redaction. This issue is fixed in iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, watchOS 26.2. An app may be able to access a user’s Safari history.

Other sources

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

— Apple

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

Credit

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, Noah Gregory (wts.dev), 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), Google Threat Analysis Group, Kirin@@Pwnrin, Iván Savransky, Bing Shi(Alibaba Group), Wenchao Li(Alibaba Group), (Indiana University Bloomington), Luyi Xing(Indiana University Bloomington), Phil Pizlo(Epic Games), Apple, Google Big Sleep, Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), Nan Wang@@eternalsakura13, 이동하 (Lee Dong Ha(BoB 14th), 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, Yiğit Ocak, iG0x72(XiguaSec), JJ(XiguaSec), Lehan Dilusha Jayasinghe, 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), an anonymous researcher(Technische Hochschule Ingolstadt), Michael Schmutzer(Technische Hochschule Ingolstadt), Mickey Jin@@patch1t, Jex Amro, Wojciech Regula(SecuRing), Ron Elemans, Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Csaba Fitzl@@theevilbit(Iru), Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), 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, @@retsew0x01, Morris Richman@@morrisinlife, Gergely Kalman@@gergely_kalman, Kay Belardinelli (Harvard University)

Affected Software

8 affected componentsFixes available
Apple WatchOS<26.2
26.2
Apple iOS<26.2
26.2
Apple iPadOS<26.2
26.2
Apple macOS Tahoe<26.2
26.2
Apple iPadOS<26.2
Apple iPhone OS<26.2
Apple macOS<26.2
Apple WatchOS<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
Affected Software
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected 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-2025-46277?

CVE-2025-46277 is considered a critical vulnerability affecting Apple operating systems.

2

How do I fix CVE-2025-46277?

To fix CVE-2025-46277, update your device to the latest version available, specifically version 26.2 or later.

3

Which products are affected by CVE-2025-46277?

CVE-2025-46277 affects Apple macOS Tahoe, iOS, iPadOS, and watchOS versions prior to 26.2.

4

What type of issue does CVE-2025-46277 address?

CVE-2025-46277 addresses a permissions issue and a downgrade issue affecting Intel-based Mac computers.

5

Has CVE-2025-46277 been patched by Apple?

Yes, Apple has patched CVE-2025-46277 with added restrictions and improved bounds checks in the latest update.

Company

Resources

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