CVE-2025-43344: 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 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. An app may be able to cause unexpected system termination.

— 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

AppleMobileFileIntegrity. A permissions issue was addressed with additional restrictions.

— Apple

Credit

an anonymous researcher, 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, 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

12 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 iPadOS<26.0
Apple iPhone OS<26.0
Apple macOS<26.0
Apple tvOS<26.0
Apple visionOS<26.0
Apple WatchOS<26.0

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
  2. Upgrade

    Upgrade iOS, iPadOS, macOS Tahoe, tvOS, visionOS, watchOS to a version that resolves this vulnerability.

    Fixed in 26
  3. Compensating control

    Block unsigned services from launching on Intel Macs.

Event History

Sep 15, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
CVE Published
via MITRE·10:35 PM
Data Sourced
via MITRE·10:35 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.

Frequently Asked Questions

1

What is the severity of CVE-2025-43344?

CVE-2025-43344 has been assessed as a high severity vulnerability affecting multiple Apple operating systems.

2

How do I fix CVE-2025-43344?

To fix CVE-2025-43344, ensure you update your devices to the latest version of macOS Tahoe, tvOS, iOS, iPadOS, watchOS, or visionOS.

3

What types of issues does CVE-2025-43344 address?

CVE-2025-43344 addresses a permissions issue, a buffer overflow, and an out-of-bounds access issue.

4

Which products are affected by CVE-2025-43344?

CVE-2025-43344 affects Apple macOS Tahoe, tvOS, iOS, iPadOS, watchOS, and visionOS up to version 26.

5

What systems need to be updated for CVE-2025-43344?

Update all affected Apple devices running macOS Tahoe, tvOS, iOS, iPadOS, watchOS, or visionOS to protect against CVE-2025-43344.

Company

Resources

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