CVE-2025-43368: Buffer Overflow

Published Sep 15, 2025
·
Updated

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Other sources

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26, macOS Tahoe 26, iOS 26 and iPadOS 26. Processing maliciously crafted web content may lead to an unexpected Safari crash.

— Red Hat

AirPort. A permissions issue was addressed with additional restrictions.

— Apple

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

— Apple

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

Credit

Joey Hewitt, an anonymous researcher, Thomas Salomon, Sufiyan Gouri (TU Darmstadt), Phil Scott & Richard Hyunho Im (@richeeta)@@MrPeriPeri, Mark Bowers, Dylan Rollins, Arthur Baudoin, Andr.Ess, Jaydev Ahire, Big Bear, Pawel Wylecial(REDTEAM), @@RenwaX23, Evan Waelde, Ignacio Sanmillan@@ulexec, Mike Cardwell(grepular), Bob Lord, 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), 정답이 아닌 해답, Richard Hyunho Im@@richeeta, Jiwon Park, Noah Gregory (wts.dev), CVE-2025-6965, JZ, Seo Hyun-gyu@@wh1te4ever, Luke Roberts@@rookuu, 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, 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

8 affected componentsFixes available
Apple macOS Tahoe<26
26
Apple iOS<26
26
Apple iPadOS<26
26
Apple Safari<26
26
Apple Safari<26.0
Apple iPadOS<26.0
Apple iPhone OS<26.0
Apple macOS<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
DescriptionWeakness
CVE Published
via MITRE·10:35 PM
Data Sourced
via MITRE·10:35 PM
DescriptionWeakness
Data Sourced
via NVD·11:15 PM
DescriptionSeverityWeaknessAffected Software
Sep 23, 2025
Data Sourced
via Red Hat·02:27 PM
DescriptionSeverityAffected 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-2025-43368?

CVE-2025-43368 has been classified with a high severity due to its potential to allow unauthorized access and execution of malicious code.

2

How do I fix CVE-2025-43368?

To fix CVE-2025-43368, users should update their Apple macOS Tahoe, iOS, or iPadOS to version 26 or later.

3

What types of devices are affected by CVE-2025-43368?

CVE-2025-43368 affects Apple macOS Tahoe, iOS, and iPadOS devices running versions prior to 26.

4

What type of vulnerability is CVE-2025-43368?

CVE-2025-43368 involves multiple issues including a permissions issue, a buffer overflow, and out-of-bounds access.

5

What are the risks associated with CVE-2025-43368?

The risks associated with CVE-2025-43368 include potential exploitation leading to unauthorized access, data corruption, or system compromise.

Company

Resources

Contact

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