CVE-2025-43346: Buffer Overflow

Published Sep 15, 2025
·
Updated

AirPort. A permissions issue was addressed with additional restrictions.

Other sources

AMD. A buffer overflow was addressed with improved bounds checking.

— Apple

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

— MITRE

AppKit. The issue was resolved by blocking unsigned services from launching on Intel Macs.

— Apple

Apple Neural Engine. An out-of-bounds access issue was addressed with improved bounds checking.

— Apple

Apple Online Store Kit. A permissions issue was addressed with additional restrictions.

— Apple

Credit

Mickey Jin@@patch1t, Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), Michael Reeves@@IntegralPilot, Nikita Sakalouski, Csaba Fitzl@@theevilbit(Kandji), Rosyna Keller(Totally Not Malicious Software), Guilherme Rambo(Best Buddy Apps), Yinyi Wu@@_3ndy1(Dawn Security Lab of JD), @@zlluny(Trend Micro Zero Day Initiative), 이동하 (Lee Dong Ha)(SSA Lab), Keisuke Hosoda, Viktor Oreshkin, Philipp Baldauf, Minghao Lin@@Y1nKoc, Lyutoon@@Lyutoon_, YingQi Shi@@Mas0n, Dawuge(Shuffle Team), Tom Brzezinski, Abhay Kailasia@@abhay_kailasia(C), KPC(Cisco Talos), Evan Waelde, an anonymous researcher, 정답이 아닌 해답, Richard Hyunho Im@@richeeta, Jiwon Park, Noah Gregory (wts.dev), CVE-2025-6965, JZ, Seo Hyun-gyu@@wh1te4ever, Luke Roberts@@rookuu, Jaydev Ahire, Big Bear, Ignacio Sanmillan@@ulexec, Mike Cardwell(grepular), Bob Lord, Pawel Wylecial(REDTEAM), Rodolphe BRUNETTI@@eisw0lf(Lupus Nova), Kirin@@Pwnrin, ABC Research s.r.o., Nolan Astrein(Kandji), Mickey Jin@@patch1t(Cisco Talos), Kirin@@Pwnrin(Cisco Talos), Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), Zhongquan Li@@Guluisacat, Bilal Siddiqui, Zhongcheng Li(IES Red Team of ByteDance), Matej Moravec@@MacejkoMoravec, Shantanu Thakur, Wang Yu(Cyberserval), Anonymous(Trend Micro Zero Day Initiative), Jian Lee@@speedyfriend433, Yiğit Can YILMAZ@@yilmazcanyigit, Ye Zhang@@VAR10CK(Baidu Security), Nathaniel Oh@@calysteon, Gergely Kalman@@gergely_kalman, Hikerell (Loadshine Lab), Rodolphe Brunetti@@eisw0lf(Lupus Nova), LFY@@secsys(Fudan University), CVE-2025-40909, @@zlluny, CVE-2024-27280, @@RenwaX23, Ye Zhang(Baidu Security), pattern-f@@pattern_F_, Kirin@@Pwnrin(Computer Science), Cristian Dinca(Computer Science), Romania, Ferdous Saljooki@@malwarezoo(Jamf), Justin Elliot Fu, Pyrophoria(GrapheneOS), an anonymous researcher(GrapheneOS), James J Kalafus, Michel Migdal, ken super

Affected Software

14 affected componentsFixes available
Apple macOS Tahoe<26
26
Apple tvOS<26
26
Apple iOS<26
26
Apple iPadOS<26
26
Apple WatchOS<26
26
Apple visionOS<26
26
Apple iOS<18.7
18.7
Apple iPadOS<18.7
18.7
Apple iPadOS<18.7
Apple iPhone OS<18.7
Apple macOS<26.0
Apple tvOS<26.0
Apple visionOS<26.0
Apple WatchOS<26.0

Event History

Sep 15, 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
CVE Published
via MITRE·10:34 PM
Data Sourced
via MITRE·10:34 PM
DescriptionWeakness
Data Sourced
via NVD·11:15 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-2025-43346?

CVE-2025-43346 has been classified as a high severity vulnerability due to its potential exploitation risks in multiple Apple operating systems.

2

How do I fix CVE-2025-43346?

To fix CVE-2025-43346, users should update their affected Apple devices to the latest versions of macOS, tvOS, iOS, iPadOS, watchOS, or visionOS as specified in the security advisory.

3

What are the affected versions for CVE-2025-43346?

CVE-2025-43346 affects various Apple operating systems including macOS Tahoe, tvOS, iOS, iPadOS, watchOS, and visionOS up to version 26 and iOS and iPadOS up to version 18.7.

4

What type of vulnerabilities does CVE-2025-43346 address?

CVE-2025-43346 addresses permissions issues, buffer overflows, and out-of-bounds access vulnerabilities across several Apple software platforms.

5

Who can be impacted by CVE-2025-43346?

Users of affected Apple devices running the vulnerable versions of the mentioned operating systems can be impacted by CVE-2025-43346.

Company

Resources

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