CVE-2025-43376: Input Validation
Published Sep 15, 2025
·Updated
802.1X. An authentication issue was addressed with improved state management.
Other sources
A logic issue was addressed with improved state management. This issue is fixed in Safari 26, iOS 18.7.7 and iPadOS 18.7.7, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. A remote attacker may be able to view leaked DNS queries with Private Relay turned on.
— MITRE
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
@@RenwaX23, Evan Waelde, Jaydev Ahire, Big Bear, an anonymous researcher, Ignacio Sanmillan@@ulexec, Mike Cardwell(grepular), Bob Lord, Pawel Wylecial(REDTEAM), Héloïse Gollier, Mathy Vanhoef (KU Leuven), Johnny Franks (zeroxjf), Justin Cohen(Google), Cristian Dinca (icmd.tech), Hossein Lotfi@@hosselot(TrendAI Zero Day Initiative), Etienne Charron (Renault), Victoria Martini (Renault), Zhongcheng Li(IES Red Team), CVE-2025-14524, Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), Kirin@@Pwnrin, CVE-2025-64505, iG0x72(XiguaSec), JJ(XiguaSec), Lehan Dilusha Jayasinghe, Gor Aleksanyan(BoB 0xB6), Dhiyanesh Selvaraj@@redroot97(BoB 0xB6), 이동하 (Lee Dong Ha(BoB 0xB6), Jian Lee@@speedyfriend433, Johnny Franks@@zeroxjf, Alex Radocea, Hazem Issa, Yongdae Kim @ SysSec, KAIST, Caspian Tarafdar, Andrew Becker, webb, Thomas Espach, Hongze Wu(Ant Group Infrastructure Security Team), Shuaike Dong(Ant Group Infrastructure Security Team), @@hamayanhamayan, 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), 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), 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
20 affected componentsFixes available
Apple Safari<26
Apple tvOS<26
Apple WatchOS<26
Apple iOS<26
Apple iPadOS<26
Apple visionOS<26
Apple WatchOS<26
26
Apple visionOS<26
26
Apple Safari<26
26
Apple tvOS<26
26
Apple Safari<26.0
Apple iPadOS<26.0
Apple iPhone OS<26.0
Apple visionOS<26.0
Apple WatchOS<26.0
Apple iOS<26
26
Apple iPadOS<26
26
Apple macOS Tahoe<26
26
Apple iOS<18.7.7
18.7.7
Apple iPadOS<18.7.7
18.7.7
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
Weakness
Updated
via Apple·12:00 AM
Description
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected Software
Updated
via Apple·12:00 AM
WeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
Nov 4, 2025
CVE Published
via MITRE·01:16 AM
Data Sourced
via MITRE·01:16 AM
DescriptionWeakness
Data Sourced
via NVD·02:15 AM
DescriptionSeverityAffected Software
May 12, 2026
Updated
via Apple·06:36 PM
DescriptionWeaknessAffected Software
Updated
via Apple·06:36 PM
DescriptionAffected Software
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2025-43327
- CVE-2025-31254
- CVE-2025-43356
- CVE-2025-43272
- CVE-2025-43343
- CVE-2025-43342
- CVE-2025-43419
- CVE-2025-43376
- CVE-2025-43368
- CVE-2026-28865
- CVE-2026-20637
- CVE-2026-28879
- CVE-2026-28866
- CVE-2026-20690
- CVE-2026-28886
- CVE-2026-28878
- CVE-2025-14524
- CVE-2026-28876
- CVE-2026-20668
- CVE-2026-28880
- CVE-2025-64505
- CVE-2025-43534
- CVE-2026-28868
- CVE-2026-28867
- CVE-2026-20687
- CVE-2026-28864
- CVE-2026-28860
- CVE-2026-28967
- CVE-2026-28852
- CVE-2026-20657
- CVE-2026-20665
- CVE-2026-20643
- CVE-2026-28861
- CVE-2026-28871
- CVE-2025-43344
- CVE-2025-43317
- CVE-2025-43346
- CVE-2025-43361
- CVE-2025-43360
- CVE-2025-43354
- CVE-2025-43303
- CVE-2025-43357
- CVE-2025-43323
- CVE-2025-43349
- CVE-2025-43372
- CVE-2025-43338
- CVE-2025-43302
- CVE-2025-31255
- CVE-2025-43359
- CVE-2025-43345
- CVE-2025-43362
- CVE-2025-43365
- CVE-2025-43355
- CVE-2025-43203
- CVE-2025-43309
- CVE-2025-46306
- CVE-2025-43329
- CVE-2025-43358
- CVE-2025-30468
- CVE-2025-43190
- CVE-2025-6965
- CVE-2025-43347
- CVE-2025-43288
- CVE-2025-43208
- CVE-2025-43312
- CVE-2025-43321
- CVE-2025-31268
- CVE-2025-43331
- CVE-2025-43340
- CVE-2025-43337
- CVE-2025-43320
- CVE-2025-43285
- CVE-2025-43330
- CVE-2025-43451
- CVE-2025-43307
- CVE-2025-43403
- CVE-2025-43292
- CVE-2025-24088
- CVE-2025-43305
- CVE-2025-43290
- CVE-2025-43289
- CVE-2025-46284
- CVE-2025-43316
- CVE-2025-31271
- CVE-2025-31270
- CVE-2025-43326
- CVE-2025-43283
- CVE-2025-46280
- CVE-2025-43325
- CVE-2025-43287
- CVE-2025-43366
- CVE-2025-43299
- CVE-2025-43295
- CVE-2025-43353
- CVE-2025-43294
- CVE-2025-43319
- CVE-2025-43315
- CVE-2025-43207
- CVE-2025-43279
- CVE-2025-43301
- CVE-2025-43298
- CVE-2025-46310
- CVE-2025-40909
- CVE-2025-43297
- CVE-2025-31269
- CVE-2025-43204
- CVE-2024-27280
- CVE-2025-43328
- CVE-2025-43318
- CVE-2025-46307
- CVE-2025-31259
- CVE-2025-43332
- CVE-2025-43293
- CVE-2025-43291
- CVE-2025-43286
- CVE-2025-43369
- CVE-2025-43367
- CVE-2025-43333
- CVE-2025-24197
- CVE-2025-43341
- CVE-2025-43314
- CVE-2025-43304
- CVE-2025-43306
- CVE-2025-43296
- CVE-2025-43311
- CVE-2025-43308
- CVE-2025-43262
- CVE-2025-43310
Frequently Asked Questions
1
What is the severity of CVE-2025-43376?
CVE-2025-43376 has a moderate severity rating due to potential exposure of DNS queries.
2
How do I fix CVE-2025-43376?
To fix CVE-2025-43376, update your Apple software to Safari 26, tvOS 26, watchOS 26, iOS 26, iPadOS 26, or visionOS 26.
3
What does CVE-2025-43376 affect?
CVE-2025-43376 affects various Apple products including Safari, tvOS, watchOS, iOS, iPadOS, and visionOS versions prior to 26.
4
Can a remote attacker exploit CVE-2025-43376?
Yes, a remote attacker may exploit CVE-2025-43376 to view leaked DNS queries when Private Relay is enabled.
5
Is CVE-2025-43376 a logic issue?
Yes, CVE-2025-43376 is described as a logic issue that has been addressed with improved state management.