CVE-2025-43436: Use After Free

Published Nov 3, 2025
·
Updated

A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. An app may be able to enumerate a user's installed apps.

Other sources

Accessibility. A permissions issue was addressed with additional restrictions.

— Apple

Admin Framework. A logic issue was addressed with improved checks.

— Apple

Admin Framework. The issue was addressed with improved checks.

— Apple

App Store. A logging issue was addressed with improved data redaction.

— Apple

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

— Apple

Credit

Ron Masas(BreakPoint), Pinak Oza, an anonymous researcher, Gergely Kalman@@gergely_kalman, Hikerell (Loadshine Lab), Zhongcheng Li(IES Red Team of ByteDance), Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), iisBuri, Apple, Cristian Dinca (icmd.tech), Dave G.(supernetworks), Alex Radocea(supernetworks), Taavi Eomäe(Zone Media), Romain Lebesle(Khatima), Himanshu Bharti@@Xpl0itme(Khatima), Dalibor Milanovic, @@RenwaX23, Stanislav Jelezoglo, Aleksejs Popovs, Phil Beauvoir, Google Big Sleep, Nan Wang@@eternalsakura13, rheza@@ginggilBesel(Trend Micro Zero Day Initiative), shandikri(Trend Micro Zero Day Initiative), Gary Kwong(Trend Micro Zero Day Initiative), Justin Cohen(Google), Tom Van Goethem, JZ, Duy Trần@@khanhduytran0, pattern-f@@pattern_F_, Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), Kirin@@Pwnrin, Gary Kwong, rheza@@ginggilBesel, Dennis Briner, 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), Joshua Thomas, 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, Lehan Dilusha Jayasinghe, Mickey Jin@@patch1t, Joseph Ravichandran@@0xjprx(MIT CSAIL), Dave G. (supernetworks.org), Csaba Fitzl@@theevilbit(Kandji), 이동하 (Lee Dong Ha(BoB 14th), wac(Trend Micro Zero Day Initiative), Adwiteeya Agrawal, Kenneth Chew, Rodolphe Brunetti@@eisw0lf(Lupus Nova), Rodolphe BRUNETTI@@eisw0lf(Lupus Nova), @@EthanArbuckle, Ferdous Saljooki@@malwarezoo(Jamf), Murray Mike, BynarIO AI (bynar.io), Doug Hogan, CVE-2024-43398, CVE-2024-49761, CVE-2025-6442, Zhongquan Li@@Guluisacat, Ryan Dowd@@_rdowd, Vivek Dhar, ASI (RM) in Border Security Force, FTR HQ BSF Kashmir, Nikolai Skliarenko(Trend Micro Zero Day Initiative), an anonymous researcher(Microsoft), Kirin@@Pwnrin(Microsoft), Jonathan Bar Or@@yo_yo_yo_jbo(Microsoft), Amy@@asentientbot, CVE-2025-32462, CVE-2025-53906, Wang Yu(Cyberserval), @@cloudlldb, Morris Richman@@morrisinlife

Affected Software

11 affected componentsFixes available
Apple WatchOS<26.1
26.1
Apple tvOS<26.1
26.1
Apple visionOS<26.1
26.1
Apple macOS Tahoe<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 tvOS<26.1
Apple visionOS<26.1
Apple WatchOS<26.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 26.1
  2. Configuration

    Apply the update to iOS 26.1/iPadOS 26.1/macOS Tahoe 26.1/tvOS 26.1/visionOS 26.1/watchOS 26.1 to pick up the fix that adds code-signing restrictions affecting Intel-based Mac computers.

    iOS/iPadOS/macOS/tvOS/visionOS/watchOS (code-signing controls) additional code-signing restrictions = enabled
  3. Configuration

    Apply the update to iOS 26.1/iPadOS 26.1/macOS Tahoe 26.1/tvOS 26.1/visionOS 26.1/watchOS 26.1 to pick up the fix that addresses an access issue by adding sandbox restrictions.

    Admin Framework sandbox restrictions = strengthened
  4. Configuration

    Apply the update to iOS 26.1/iPadOS 26.1/macOS Tahoe 26.1/tvOS 26.1/visionOS 26.1/watchOS 26.1 to pick up the fix that addresses an issue with improved entitlements.

    AppleMobileFileIntegrity entitlements handling = improved
  5. Configuration

    Apply the update to iOS 26.1/iPadOS 26.1/macOS Tahoe 26.1/tvOS 26.1/visionOS 26.1/watchOS 26.1 to pick up the fix that improves handling of symlinks and validates symlinks.

    AppleMobileFileIntegrity symlink handling and validation = improved
  6. Configuration

    Apply the update to iOS 26.1/iPadOS 26.1/macOS Tahoe 26.1/tvOS 26.1/visionOS 26.1/watchOS 26.1 to pick up the fix that improves data redaction in logs.

    Logging data redaction = improved
  7. Compensating control

    For any affected access/enumeration/privacy concerns mentioned, ensure you apply the iOS 26.1/iPadOS 26.1/macOS Tahoe 26.1/tvOS 26.1/visionOS 26.1/watchOS 26.1 update promptly since the text states the issues are fixed in these versions.

Event History

Nov 3, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
Updated
via Apple·12:00 AM
Affected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Description
Nov 4, 2025
CVE Published
via MITRE·01:17 AM
Data Sourced
via MITRE·01:17 AM
DescriptionWeakness
Data Sourced
via NVD·02:15 AM
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-2025-43436?

CVE-2025-43436 is classified as a permissions issue that can lead to unauthorized app enumeration.

2

How do I fix CVE-2025-43436?

To fix CVE-2025-43436, update your device to watchOS 26.1, iOS 26.1, iPadOS 26.1, tvOS 26.1, or visionOS 26.1.

3

What systems are affected by CVE-2025-43436?

CVE-2025-43436 affects Apple products including iOS, iPadOS, watchOS, tvOS, and visionOS prior to version 26.1.

4

What type of vulnerability is CVE-2025-43436?

CVE-2025-43436 is a permissions issue that may allow apps to improperly access users' installed applications.

5

When was CVE-2025-43436 addressed?

CVE-2025-43436 was addressed in updates released on the same day for watchOS, iOS, iPadOS, tvOS, and visionOS.

Company

Resources

Contact

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