CVE-2025-43359: Buffer Overflow

Published Sep 15, 2025
·
Updated

A logic issue was addressed with improved state management. This issue is fixed in iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. A UDP server socket bound to a local interface may become bound to all interfaces.

Other sources

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

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, @@zlluny(Trend Zero Day Initiative), Duy Trần@@khanhduytran0, @@EthanArbuckle, Wojciech Regula(SecuRing), Google's Threat Analysis Group, 风 (binaryfmyy), BochengXiang@@Crispr, YingQi Shi@@Mas0nShi, Dora Orak, Mickey Jin@@patch1t(Fudan University), Kirin@@Pwnrin(Fudan University)

Affected Software

17 affected componentsFixes available
Apple macOS Tahoe<26
26
Apple tvOS<26
26
Apple iOS<26
26
Apple iPadOS<26
26
Apple macOS Sonoma<14.8
14.8
Apple WatchOS<26
26
Apple visionOS<26
26
Apple macOS Sequoia<15.7
15.7
Apple iOS<18.7
18.7
Apple iPadOS<18.7
18.7
Apple iPadOS<18.7
Apple iPhone OS<18.7
Apple macOS>=14.0<14.8
Apple macOS>=15.0<15.7
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 to a fixed release to a version that resolves this vulnerability.

    Fixed in 18.7
  3. Upgrade

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

    Fixed in 15.7
  4. Upgrade

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

    Fixed in 14.8
  5. Upgrade

    Upgrade iOS and iPadOS to a version that resolves this vulnerability.

    Fixed in 18.7
  6. Upgrade

    Upgrade iOS and iPadOS to a version that resolves this vulnerability.

    Fixed in 26
  7. Upgrade

    Upgrade macOS Sequoia to a version that resolves this vulnerability.

    Fixed in 15.7
  8. Upgrade

    Upgrade macOS Sonoma to a version that resolves this vulnerability.

    Fixed in 14.8
  9. Upgrade

    Upgrade macOS Tahoe to a version that resolves this vulnerability.

    Fixed in 26
  10. Upgrade

    Upgrade tvOS, visionOS, and watchOS to a version that resolves this vulnerability.

    Fixed in 26
  11. 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-2025-43359?

CVE-2025-43359 has been rated as a critical severity vulnerability affecting multiple Apple products.

2

How do I fix CVE-2025-43359?

To fix CVE-2025-43359, update affected Apple products to the latest available versions.

3

What products are affected by CVE-2025-43359?

CVE-2025-43359 affects several Apple products including macOS Tahoe, tvOS, iOS, iPadOS, watchOS, visionOS, and macOS Sonoma.

4

What types of issues does CVE-2025-43359 address?

CVE-2025-43359 addresses permissions issues, buffer overflows, and out-of-bounds access issues in various Apple software.

5

Is it safe to use devices affected by CVE-2025-43359 until they are updated?

Using devices affected by CVE-2025-43359 without updating them poses a security risk and is not recommended.

Company

Resources

Contact

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