high
8.8
CWE
416 119 20 362
Advisory Published
CVE Published
Updated

CVE-2023-39434: Use After Free

First published: Mon Sep 18 2023(Updated: )

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.

Credit: Cristian Dinca Computer ScienceRomania JeongOhKyea Theori이준성(Junsung Lee) Cross RepublicKirin @Pwnrin NorthSeaWojciech Regula SecuRingHalle Winkler Politepix @hallewinkler Sei K. Mickey Jin @patch1t Noah Roskin-Frazee Professor Jason Lau (ZeroClicks.ai Lab) Noah Roskin-Frazee Offensive SecurityPr Offensive Security Offensive SecurityCsaba Fitzl @theevilbit Offensive SecurityAntonio Zekic @antoniozekic Dataflow SecurityRon Masas ImpervaMurray Mike Mikko Kenttälä ) @Turmio_ SensorFuYiğit Can YILMAZ @yilmazcanyigit Certik Skyfall Team Certik Skyfall Team Ant Security Light Ant Security Lightpattern-f @pattern_F_ Ant Security LightZweig Kunlun LabLinus Henze Pinauten GmbHPan ZhenPeng @Peterpan0927 STAR Labs SG PteMichael (Biscuit) Thomas 张师傅(@京东蓝军) Joseph Ravichandran @0xjprx MIT CSAILFerdous Saljooki @malwarezoo Jamf Softwarean anonymous researcher Zhipeng Huo @R3dF09 Tencent Security Xuanwu LabDohyun Lee @l33d0hyun PK SecurityAdam M. SecuRing SecuRingAdam M. BreakPoint Security Research BreakPoint Security ResearchRon Masas BreakPoint Security ResearchMeng Zhang (鲸落) NorthSeaBrian McNulty Texts TextsKishan Bagaria TextsMichael DePlante @izobashi Trend Micro Zero Day InitiativeGergely Kalman @gergely_kalman Kirin @Pwnrin baba yaga weize she Berke Kırbaş Harsh Jaiswal Serkan Erayabakan George Mason UniversityDavid Kotval George Mason UniversityAkincibor George Mason UniversitySina Ahmadi George Mason UniversityBilly Tabrizi Kirin @Pwnrin SecuRingTomi Tokics @tomitokics iTomsn0wLuan Herrera @lbherrera_ Adriatik Raci Sentry CybersecurityNarendra Bhati (twitter.com/imnarendrabhati) Suma Soft PvtPune (India) Noah Roskin-Frazee (ZeroClicks.ai Lab) James Duffy (mangoSecure) Ron Masas BreakPointJames Hutchins Thijs Alkemade @xnyhps Computest Sector 7Andrew Haggard Arsenii Kostromin (0x3c3e) Offensive SecurityJoshua Jewett @JoshJewett33 Offensive SecurityFrancisco Alonso @revskills PK Security PK SecurityFrancisco Alonso @revskills Jie Ding @Lime HKUS3 LabAjou University Abysslab Dong Jun Kim @smlijun Jong Seong Kim @nevul37 Bill Marczak The Citizen Lab at The University of Toronto's Munk SchoolMaddie Stone Google's Threat Analysis GroupClaire Houston Anonymous Dong Jun Kim @smlijun AbyssLab AbyssLabJong Seong Kim @nevul37 AbyssLabWang Yu CyberservalAn anonymous researcher MacEnhanceJeremy Legendre MacEnhanceFelix Kratz Koh M. Nakagawa @tsunek0h Adam M. Yishu Wang Will Brattain at Trail Bitszer0k Mohamed GHANNAM @_simo36 Tim Michaud @TimGMichaud MoveworksWojciech Reguła @_r3ggi Chris Ross (Zoom) ABC Research s.r.o. w0wbox product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS<14
14
watchOS<10
10
Apple iOS<17
17
iPadOS<17
17
iPadOS<17.0
Apple iPhone OS<17.0
Apple macOS<14.0
watchOS<10.0

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

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.

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