CVE-2025-43439: Input Validation

Published Nov 3, 2025
·
Updated

A privacy issue was addressed by removing sensitive data. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, visionOS 26.1. An app may be able to fingerprint the user.

Other sources

Accessibility. A permissions issue was addressed with additional restrictions.

— Apple

Apple Account. A privacy issue was addressed with improved checks.

— Apple

Apple Neural Engine. The issue was addressed with improved memory handling.

— Apple

Apple TV Remote. The issue was addressed with improved handling of caches.

— Apple

AppleMobileFileIntegrity. This issue was addressed with improved validation of symlinks.

— Apple

Credit

Zhongcheng Li(IES Red Team of ByteDance), Duy Trần@@khanhduytran0, Dennis Briner, Hikerell (Loadshine Lab), Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), iisBuri, Cristian Dinca (icmd.tech), Apple, Romain Lebesle(Khatima), Himanshu Bharti@@Xpl0itme(Khatima), Taavi Eomäe(Zone Media), Minghao Lin@@Y1nKoc, Lyutoon@@Lyutoon_, YingQi Shi@@Mas0n, Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), BynarIO AI (bynar.io), Kirin@@Pwnrin, @@RenwaX23, an anonymous researcher, Joshua Thomas, Dalibor Milanovic, rheza@@ginggilBesel(Trend Micro Zero Day Initiative), shandikri(Trend Micro Zero Day Initiative), Google Big Sleep, Phil Beauvoir, rheza@@ginggilBesel, Justin Cohen(Google), Lehan Dilusha Jayasinghe, Tom Van Goethem, 이동하 (Lee Dong Ha(BoB 14th), Gergely Kalman@@gergely_kalman, JZ, pattern-f@@pattern_F_, Dave G.(supernetworks), Alex Radocea(supernetworks), Stanislav Jelezoglo, Aleksejs Popovs, Gary Kwong, Nan Wang@@eternalsakura13, Gary Kwong(Trend Micro Zero Day Initiative), Ron Masas(BreakPoint), Pinak Oza, Wojciech Regula(SecuRing), Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Lukaah Marlowe, Rosyna Keller(Totally Not Malicious Software), Google Threat Analysis Group, Asaf Cohen, KPC(Cisco Talos), Isaiah Wan, Will Caine, Thomas Salomon, Sufiyan Gouri (TU Darmstadt), Phil Scott & Richard Hyunho Im (@richeeta)@@MrPeriPeri, Mark Bowers, Joey Hewitt, Dylan Rollins, Arthur Baudoin, Andr.Ess, Mikael Kinnman

Affected Software

7 affected componentsFixes available
Apple visionOS<26.1
26.1
Apple iOS<26.1
26.1
Apple iPadOS<26.1
26.1
Apple iPadOS<26.1
Apple iPhone OS<26.1
Apple iOS<18.7.2
18.7.2
Apple iPadOS<18.7.2
18.7.2

Event History

Nov 3, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Nov 4, 2025
CVE Published
via MITRE·01:15 AM
Data Sourced
via MITRE·01:15 AM
DescriptionWeakness
Data Sourced
via NVD·02:15 AM
DescriptionSeverityWeaknessAffected Software
Nov 5, 2025
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected 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-2025-43439?

CVE-2025-43439 is a high-severity privacy issue that could allow apps to fingerprint users.

2

How do I fix CVE-2025-43439?

To fix CVE-2025-43439, update your device to iOS 26.1, iPadOS 26.1, or visionOS 26.1.

3

What types of devices are affected by CVE-2025-43439?

CVE-2025-43439 affects Apple devices running iOS, iPadOS, and visionOS prior to version 26.1.

4

What is the impact of CVE-2025-43439 on user privacy?

CVE-2025-43439 could potentially allow applications to collect sensitive user information without consent.

5

Was there a permissions issue related to CVE-2025-43439?

Yes, CVE-2025-43439 included a permissions issue that was addressed with additional restrictions in the latest update.

Company

Resources

Contact

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CVE-2025-43439 - Input Validation - SecAlerts