low
3.3
CWE
416 841
Advisory Published
CVE Published
Updated

CVE-2023-42939: Use After Free

First published: Wed Oct 25 2023(Updated: )

A logic issue was addressed with improved checks. This issue is fixed in iOS 17.1 and iPadOS 17.1. A user's private browsing activity may be unexpectedly saved in the App Privacy Report.

Credit: Abhay Kailasia @abhay_kailasia Lakshmi Narain College Of Technology Bhopal India product-security@apple.com an anonymous researcher Linus Henze Pinauten GmbHinooo Mickey Jin @patch1t Grzegorz Riegel Talal Haj Bakry Mysk IncTommy Mysk @mysk_co Mysk IncBistrit Dahal Mingxuan Yang @PPPF00L 360 Vulnerability Research Institutehappybabywu 360 Vulnerability Research InstituteGuang Gong 360 Vulnerability Research Institute 360 Vulnerability Research InstituteAdis Alic Yiğit Can YILMAZ @yilmazcanyigit Sam Lakmaker Kirin @Pwnrin SecuRingWojciech Regula SecuRing Computer ScienceCristian Dinca Computer ScienceRomania CVE-2023-42946 Ting Ding James Mancz Omar Shibli Lorenzo Cavallaro Harry Lewandowski 이준성(Junsung Lee) Cross Republic이준성(Junsung Lee) Pedro Ribeiro @pedrib1337 Agile Information SecurityVitor Pedreira @0xvhp_ Agile Information SecurityKacper Kwapisz @KKKas_ JZ Csaba Fitzl @theevilbit Offensive SecurityMichael (Biscuit) Thomas - @social.lol @biscuit Peter Nguyễn Vũ Hoàng @peternguyen14 STAR Labs SG PteAdam M. Zhipeng Huo @R3dF09 Tencent Security Xuanwu LabNoah Roskin-Frazee Pr Tomi Tokics @tomitokics iTomsn0wCVE-2023-42823

Affected SoftwareAffected VersionHow to fix
iPadOS<17.1
iPhone OS<17.1
Apple iOS and iPadOS<17.1
17.1
Apple iOS, iPadOS, and macOS<17.1
17.1

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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 the severity of CVE-2023-42939?

    CVE-2023-42939 is considered a medium severity vulnerability due to its potential impact on user privacy.

  • How do I fix CVE-2023-42939?

    To fix CVE-2023-42939, update your device to iOS 17.1 or iPadOS 17.1.

  • What type of issue is CVE-2023-42939?

    CVE-2023-42939 is a logic issue that could lead to unexpected saving of private browsing activity.

  • Which devices are affected by CVE-2023-42939?

    CVE-2023-42939 affects Apple devices running iOS and iPadOS up to version 17.1.

  • What improvements were made in the fix for CVE-2023-42939?

    The fix for CVE-2023-42939 includes improved checks to prevent unintended saving of private browsing information.

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