CVE-2023-43000: Apple Multiple products Use-After-Free Vulnerability

Published Jul 24, 2023
·
Updated

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.

Other sources

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6. Processing maliciously crafted web content may lead to memory corruption.

Red Hat

Accessibility. A privacy issue was addressed with improved private data redaction for log entries.

Apple

Accounts. A privacy issue was addressed with improved private data redaction for log entries.

Apple

AMD. A race condition was addressed with improved state handling.

Apple

Apple macOS, iOS, iPadOS, and Safari 16.6 contain a use-after-free vulnerability due to the processing of maliciously crafted web content that may lead to memory corruption.

CISA

Credit

Mickey Jin@@patch1t, Gergely Kalman@@gergely_kalman, Wojciech Regula(SecuRing), Erhad Husovic, Sei K., CVE-2023-28319, CVE-2023-28320, CVE-2023-28321, CVE-2023-28322, Kirin@@Pwnrin(SecuRing), (SecuRing), Bool(YunShangHuaAn), found by OSS-Fuzz, Arsenii Kostromin (0x3c3e), Zweig(Kunlun Lab), Mohamed GHANNAM@@_simo36, 香农的三蹦子(Pangu Lab), an anonymous researcher, Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), Peter Nguyễn Vũ Hoàng@@peternguyen14(STAR Labs SG Pte), Certik Skyfall Team, Kaitao Xie(Alibaba Group), Xiaolong Bai(Alibaba Group), Valentin Pashkov(Kaspersky), Mikhail Vinogradov(Kaspersky), Georgy Kucherin@@kucher1n(Kaspersky), Leonid Bezvershenko@@bzvr_(Kaspersky), (Kaspersky), Boris Larin@@oct0xor(Kaspersky), Zhipeng Huo@@R3dF09(Tencent Security Xuanwu Lab), Noah Roskin-Frazee, Taavi Eomäe(Zone Media O), Mickey Jin@@patch1t(Trend Micro Zero Day Initiative), (Trend Micro Zero Day Initiative), Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), CVE-2023-1916, Jonathan Bar Or(Microsoft), Emanuele Cozzi(Microsoft), (Microsoft), Michael Pearse(Microsoft), Csaba Fitzl@@theevilbit(Offensive Security), Sandipan Roy, James Duffy (mangoSecure), Michael Cowell, David Hoyt(Hoyt LLC), Wenchao Li(Hangzhou Orange Shield Information Technology Co), Xiaolong Bai(Hangzhou Orange Shield Information Technology Co), Ltd., CVE-2023-1801, Matthew Loewen, CVE-2023-2426, CVE-2023-2609, CVE-2023-2610, Yiğit Can YILMAZ@@yilmazcanyigit, Pr, Kirin@@Pwnrin, Yishu Wang, Adam M., Johan Carlsson (joaxcar), Narendra Bhati (twitter.com/imnarendrabhati)(Suma Soft Pvt), Pune - India, Hritvik Taneja, Jason Kim, Jie Jeff Xu, Stephan van Schaik, Daniel Genkin, Yuval Yarom, Pune - India(TU Wien), Valentino Dalla Valle(TU Wien), Pedro Bernardo(TU Wien), Marco Squarcina(TU Wien), (TU Wien), Lorenzo Veronese(TU Wien), Yuhao Hu, Jiming Wang, Jikai Ren, Anonymous(Trend Micro Zero Day Initiative), Francisco Alonso@@revskills, Junsung Lee, Apple, 이준성(Junsung Lee)(Cross Republic), YeongHyeon Choi@@hyeon101010, ABC Research s.r.o., pattern-f@@pattern_F_(Ant Security Light), Certik Skyfall Team(Ant Security Light), Thijs Alkemade(Computest Sector 7), Nick Brook, Félix Poulin-Bélanger, CVE-2024-23222

Affected Software

17 affected componentsFixes available
Apple macOS Ventura<13.5
Apple iOS<16.6
Apple iPadOS<16.6
Apple Safari<16.6
Apple macOS Ventura<13.5
13.5
Apple Safari<16.6
16.6
Apple iOS<16.6
16.6
Apple iPadOS<16.6
16.6
Apple Multiple Products
Apple iOS<15.8.7
15.8.7
Apple iPadOS<15.8.7
15.8.7
Apple Safari<16.6
Apple iPadOS<15.8.7
Apple iPadOS>=16.0<16.6
Apple iPhone OS<15.8.7
Apple iPhone OS>=16.0<16.6
Apple macOS<13.5

Remediation

Information

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Event History

Jul 24, 2023
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Description
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
Nov 5, 2025
CVE Published
via MITRE·06:33 PM
Data Sourced
via MITRE·06:33 PM
DescriptionWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
Nov 21, 2025
Data Sourced
via Red Hat·12:39 PM
DescriptionSeverityAffected Software
Mar 5, 2026
Known Exploited
via CISA·12:00 AM
Data Sourced
via CISA·12:00 AM
RemedyDescriptionAffected Software
Mar 11, 2026
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2023-43000?

CVE-2023-43000 is classified as a high-severity use-after-free vulnerability that can lead to memory corruption.

2

How do I fix CVE-2023-43000?

To fix CVE-2023-43000, update to macOS Ventura 13.5, iOS 16.6, iPadOS 16.6, or Safari 16.6.

3

What type of issue is CVE-2023-43000?

CVE-2023-43000 is a use-after-free vulnerability affecting memory management.

4

Which devices are affected by CVE-2023-43000?

CVE-2023-43000 affects Apple devices running macOS up to 13.5, iOS up to 16.6, iPadOS up to 16.6, and Safari up to 16.6.

5

What could exploit CVE-2023-43000?

Exploiting CVE-2023-43000 could allow maliciously crafted web content to cause memory corruption on the affected devices.

Contact

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