CVE-2025-43312: Buffer Overflow

Published Sep 15, 2025
·
Updated

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. An app may be able to cause unexpected system termination.

Other sources

AirPort. A permissions issue was addressed with additional restrictions.

— Apple

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

— Apple

AppleMobileFileIntegrity. The issue was addressed by adding additional logic.

— Apple

Archive Utility. This issue was addressed with improved validation of symlinks.

— Apple

Credit

Rodolphe BRUNETTI@@eisw0lf(Lupus Nova), Csaba Fitzl@@theevilbit(Kandji), Kirin@@Pwnrin, ABC Research s.r.o., Mickey Jin@@patch1t, an anonymous researcher, 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, Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), Michael Reeves@@IntegralPilot, Noah Gregory (wts.dev), Dawuge(Shuffle Team), 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), 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, Keisuke Hosoda, Ye Zhang@@VAR10CK(Baidu Security), Viktor Oreshkin, 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, KPC(Cisco Talos), @@RenwaX23, Ye Zhang(Baidu Security), pattern-f@@pattern_F_, 정답이 아닌 해답, Kirin@@Pwnrin(Computer Science), Cristian Dinca(Computer Science), Romania, CVE-2025-6965, JZ, Seo Hyun-gyu@@wh1te4ever, Luke Roberts@@rookuu, Ferdous Saljooki@@malwarezoo(Jamf), Justin Elliot Fu, Pyrophoria(GrapheneOS), an anonymous researcher(GrapheneOS), James J Kalafus, Michel Migdal, ken super, Jaydev Ahire, Big Bear, Ignacio Sanmillan@@ulexec, Mike Cardwell(grepular), Bob Lord, Pawel Wylecial(REDTEAM), @@zlluny(Trend Zero Day Initiative), Duy Trần@@khanhduytran0, @@EthanArbuckle, Wojciech Regula(SecuRing), Google's Threat Analysis Group, Minghao Lin@@Y1nKoc, 风 (binaryfmyy), BochengXiang@@Crispr, YingQi Shi@@Mas0nShi, Dora Orak, Mickey Jin@@patch1t(Fudan University), Kirin@@Pwnrin(Fudan University)

Affected Software

5 affected componentsFixes available
Apple macOS Tahoe<26
26
Apple macOS Sonoma<14.8
14.8
Apple macOS Sequoia<15.7
15.7
Apple macOS>=14.0<14.8
Apple macOS>=15.0<15.7

Event History

Sep 15, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Affected Software
Updated
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.

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Frequently Asked Questions

1

What is the severity of CVE-2025-43312?

CVE-2025-43312 is categorized as a high severity vulnerability due to potential buffer overflow exploits that could lead to unexpected system termination.

2

How do I fix CVE-2025-43312?

To fix CVE-2025-43312, upgrade to macOS Sequoia 15.7, macOS Sonoma 14.8, or macOS Tahoe 26.

3

What systems are affected by CVE-2025-43312?

CVE-2025-43312 affects macOS versions earlier than 15.7, 14.8, and 26.

4

What type of exploit is CVE-2025-43312?

CVE-2025-43312 is an exploit that manifests as a buffer overflow vulnerability.

5

Who is responsible for addressing CVE-2025-43312?

Apple is responsible for addressing CVE-2025-43312 through their software updates.

Company

Resources

Contact

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