CVE-2023-39434: Use After Free
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. Processing web content may lead to arbitrary code execution.
Other sources
Accessibility. This issue was addressed with improved redaction of sensitive information.
— Apple
Airport. A permissions issue was addressed with improved redaction of sensitive information.
— Apple
AMD. A buffer overflow issue was addressed with improved memory handling.
— Apple
AMD. The issue was addressed with improved memory handling.
— Apple
App Store. The issue was addressed with improved handling of protocols.
— Apple
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2023-40384
- CVE-2023-32377
- CVE-2023-38615
- CVE-2023-40448
- CVE-2023-40432
- CVE-2023-42871
- CVE-2023-40399
- CVE-2023-40410
- CVE-2023-42872
- CVE-2023-42929
- CVE-2023-42925
- CVE-2023-38612
- CVE-2023-32361
- CVE-2023-35984
- CVE-2023-40402
- CVE-2023-40426
- CVE-2023-42876
- CVE-2023-41065
- CVE-2023-29497
- CVE-2023-38596
- CVE-2023-42943
- CVE-2023-40406
- CVE-2023-40420
- CVE-2023-40528
- CVE-2023-40438
- CVE-2023-41994
- CVE-2023-40407
- CVE-2023-32396
- CVE-2023-42933
- CVE-2023-41980
- CVE-2023-40411
- CVE-2023-40395
- CVE-2023-40391
- CVE-2023-40441
- CVE-2023-42959
- CVE-2023-23495
- CVE-2023-40434
- CVE-2023-38586
- CVE-2023-40436
- CVE-2023-40396
- CVE-2023-41995
- CVE-2023-42870
- CVE-2023-41981
- CVE-2023-41984
- CVE-2023-40429
- CVE-2023-41060
- CVE-2023-41067
- CVE-2023-40400
- CVE-2023-40454
- CVE-2023-41073
- CVE-2023-40403
- CVE-2023-40427
- CVE-2023-42957
- CVE-2023-32421
- CVE-2023-42826
- CVE-2023-42918
- CVE-2023-41986
- CVE-2023-40455
- CVE-2023-40386
- CVE-2023-38408
- CVE-2023-40401
- CVE-2023-40393
- CVE-2023-42949
- CVE-2023-42934
- CVE-2023-37448
- CVE-2023-38607
- CVE-2023-41987
- CVE-2023-41063
- CVE-2023-40422
- CVE-2023-39233
- CVE-2023-40388
- CVE-2023-35990
- CVE-2023-40417
- CVE-2023-40452
- CVE-2023-40430
- CVE-2023-41996
- CVE-2023-41078
- CVE-2023-41070
- CVE-2023-40541
- CVE-2023-41079
- CVE-2023-40443
- CVE-2023-41968
- CVE-2023-40450
- CVE-2023-42948
- CVE-2023-40424
- CVE-2023-39434
- CVE-2023-40414
- CVE-2023-41074
- CVE-2023-35074
- CVE-2023-41993
- CVE-2023-32359
- CVE-2023-40385
- CVE-2023-42833
- CVE-2023-38610
- CVE-2023-41066
- CVE-2023-41979
- CVE-2023-41174
- CVE-2023-40409
- CVE-2023-40412
- CVE-2023-41071
- CVE-2023-41068
- CVE-2023-40418
- CVE-2023-40456
- CVE-2023-40520
- CVE-2023-40419
- CVE-2023-40529
- CVE-2023-41232
- CVE-2023-41069
- CVE-2023-40431
- CVE-2023-41974
- CVE-2023-40428
- CVE-2023-42970
- CVE-2023-40451
- CVE-2023-42875
- CVE-2023-42969
- CVE-2023-42961
- CVE-2023-42977
- CVE-2023-42973
- CVE-2023-38614
- CVE-2023-41077
- CVE-2023-42981
- CVE-2023-42982
- CVE-2023-42983
- CVE-2023-40425
- CVE-2023-41076
Frequently Asked Questions
What is CVE-2023-39434?
CVE-2023-39434 is a use-after-free vulnerability in WebKit.
How does CVE-2023-39434 impact Apple iOS?
CVE-2023-39434 affects Apple iOS versions up to but excluding version 17.
How does CVE-2023-39434 impact Apple iPadOS?
CVE-2023-39434 affects Apple iPadOS versions up to but excluding version 17.
How does CVE-2023-39434 impact Apple watchOS?
CVE-2023-39434 affects Apple watchOS versions up to but excluding version 10.
How does CVE-2023-39434 impact Apple macOS Sonoma?
CVE-2023-39434 affects Apple macOS Sonoma versions up to but excluding version 14.
What is the Common Weakness Enumeration (CWE) ID for CVE-2023-39434?
The Common Weakness Enumeration (CWE) ID for CVE-2023-39434 is CWE-416.
How can I fix CVE-2023-39434?
To fix CVE-2023-39434, update your Apple device's operating system to a version that is not affected.