CVE-2025-43342: Input Validation

Published Sep 15, 2025
·
Updated

A correctness issue was addressed with improved checks. This issue is fixed in Safari 26, iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to an unexpected process crash.

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), Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), @@zlluny(Trend Micro Zero Day Initiative), Keisuke Hosoda, Viktor Oreshkin, Mickey Jin@@patch1t, Philipp Baldauf, Nathaniel Oh@@calysteon, Dawuge(Shuffle Team), Tom Brzezinski, 정답이 아닌 해답, Csaba Fitzl@@theevilbit(Kandji), Yinyi Wu@@_3ndy1(Dawn Security Lab of JD), 이동하 (Lee Dong Ha)(SSA Lab), Noah Gregory (wts.dev), CVE-2025-6965, JZ, Seo Hyun-gyu@@wh1te4ever, Luke Roberts@@rookuu, Ignacio Sanmillan@@ulexec, Mike Cardwell(grepular), Bob Lord, Michael Reeves@@IntegralPilot, @@RenwaX23, Evan Waelde, Nikita Sakalouski, Rosyna Keller(Totally Not Malicious Software), Guilherme Rambo(Best Buddy Apps), Minghao Lin@@Y1nKoc, Lyutoon@@Lyutoon_, YingQi Shi@@Mas0n, Abhay Kailasia@@abhay_kailasia(C), KPC(Cisco Talos), Richard Hyunho Im@@richeeta, Zhongquan Li@@Guluisacat, Bilal Siddiqui, Nolan Astrein(Kandji), Shantanu Thakur, Wang Yu(Cyberserval), Anonymous(Trend Micro Zero Day Initiative), Yiğit Can YILMAZ@@yilmazcanyigit, Ye Zhang@@VAR10CK(Baidu Security), Gergely Kalman@@gergely_kalman, Hikerell (Loadshine Lab), Rodolphe Brunetti@@eisw0lf(Lupus Nova), Kirin@@Pwnrin, LFY@@secsys(Fudan University), CVE-2025-40909, Zhongcheng Li(IES Red Team of ByteDance), @@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, ABC Research s.r.o., Mickey Jin@@patch1t(Cisco Talos), Kirin@@Pwnrin(Cisco Talos), Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), Rodolphe BRUNETTI@@eisw0lf(Lupus Nova)

Affected Software

18 affected componentsFixes available
Apple iOS<26
26
Apple iPadOS<26
26
Apple iOS<18.7
18.7
Apple iPadOS<18.7
18.7
Apple WatchOS<26
26
Apple visionOS<26
26
Apple Safari<26
26
Apple tvOS<26
26
Apple macOS Tahoe<26
26
Apple Safari<26.0
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
WebKitGTK WebKitGTK<2.48.7
wpewebkit WPE WebKit<2.48.7

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·02:24 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-43342?

The severity of CVE-2025-43342 is considered significant due to multiple vulnerabilities including buffer overflow and permission issues.

2

How do I fix CVE-2025-43342?

To fix CVE-2025-43342, ensure that your device is updated to the latest version of macOS Tahoe, tvOS, iOS, iPadOS, watchOS, or visionOS.

3

Which Apple products are affected by CVE-2025-43342?

CVE-2025-43342 affects several Apple products including macOS Tahoe, tvOS, iOS, iPadOS, watchOS, and visionOS.

4

What vulnerabilities does CVE-2025-43342 address?

CVE-2025-43342 addresses vulnerabilities related to permissions issues, buffer overflow, and out-of-bounds access.

5

Is there a workaround for CVE-2025-43342?

There are currently no documented workarounds for CVE-2025-43342; updating your software is the recommended action.

Company

Resources

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