CVE-2025-43529: Apple Multiple Products Use-After-Free WebKit Vulnerability

Published Dec 12, 2025
·
Updated

A use-after-free issue was addressed with improved memory management.

Other sources

Accessibility. A privacy issue was addressed by removing sensitive data.

— Apple

Accessibility. An inconsistent user interface issue was addressed with improved state management.

— Apple

Admin Framework. A parsing issue in the handling of directory paths was addressed with improved path validation.

— Apple

App Store. A permissions issue was addressed with additional restrictions.

— Apple

Apple iOS, iPadOS, macOS, and other Apple products contain a use-after-free vulnerability in WebKit. Processing maliciously crafted web content may lead to memory corruption. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

— CISA

Credit

Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), @@retsew0x01, Wojciech Regula(SecuRing), Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), Nan Wang@@eternalsakura13, Google Big Sleep, Phil Pizlo(Epic Games), Google Threat Analysis Group, Apple, 이동하 (Lee Dong Ha(BoB 14th), Michael Reeves@@IntegralPilot, CVE-2024-7264, CVE-2025-9086, Andrew Calvano(Meta Product Security), Lucas Pinheiro(Meta Product Security), Duy Trần@@khanhduytran0, Kaitao Xie(Alibaba Group), Xiaolong Bai(Alibaba Group), floeki(IES Red Team of ByteDance), Zhongcheng Li(IES Red Team of ByteDance), an anonymous researcher, Riley Walz, Yiğit Ocak, Rosyna Keller(Totally Not Malicious Software), an anonymous researcher(Technische Hochschule Ingolstadt), Michael Schmutzer(Technische Hochschule Ingolstadt), Iván Savransky, Bing Shi(Alibaba Group), Wenchao Li(Alibaba Group), (Indiana University Bloomington), Luyi Xing(Indiana University Bloomington), Noah Gregory (wts.dev), Kirin@@Pwnrin, Johnny Franks (zeroxjf), jioundai, Anonymous(Trend Micro Zero Day Initiative), Yiğit Can YILMAZ@@yilmazcanyigit, Golden Helm Securities(Iru), Gergely Kalman@@gergely_kalman(Iru), Csaba Fitzl@@theevilbit(Iru), Asaf Cohen, George Karchemsky@@gkarchemsky(Trend Micro Zero Day Initiative), Jian Lee@@speedyfriend433, Xin'an Zhou, Juefei Pu, Zhutian Liu, Zhiyun Qian, Zhaowei Tan, Srikanth V. Krishnamurthy, Mathy Vanhoef, CVE-2025-59375, Gongyu Ma@@Mezone0, EntryHi, Wong Wee Xiang, Loh Boon Keat, Jacob Prezant (prezant.us), Nils Hanff @chaos.social)@@nils1729(Hasso Plattner Institute), Amy (amys.website), Atul Kishor Jaiswal, Gergely Kalman@@gergely_kalman, Keisuke Hosoda, Zhongcheng Li(IES Red Team), Richard Hyunho Im at Route Zero Security (routezero.security)@@richeeta, Ron Masas(BreakPoint), Rodolphe Brunetti@@eisw0lf(Lupus Nova), Dalibor Milanovic, Óscar García Pérez, Stanislav Jelezoglo, Viktor Lord Härringtón, Enis Maholli (enismaholli.com), LeminLimez, Nathaniel Oh@@calysteon, HanQing(TSDubhe), Tom Van Goethem, Wang Yu(Cyberserval), Mickey Jin@@patch1t, Ryan Dowd@@_rdowd, @@cloudlldb, Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Murray Mike, Chunyu Song(NorthSea), Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), Pwn2car, Morris Richman@@morrisinlife, Vivek Dhar, ASI (RM) in Border Security Force, FTR HQ BSF Kashmir, CVE-2025-5918, Sumanth Rao(UC San Diego), Ye Shu(UC San Diego), Stefan Savage(UC San Diego), Aaron Schulman(UC San Diego), Geoffrey M. Voelker(UC San Diego), Enze Liu (Carnegie Mellon University), Andrei Simion, piffz, Daniel Nurkin, Al Sadman Awal, Mohamed Hamdadou & Mahran Alhazmi, Hichem Maloufi, Christian Mina, Gerson Aldaz, qwerty j0y & Ricardo Garcia, Dorian Del Valle, iG0x72(XiguaSec), JJ(XiguaSec), Lehan Dilusha Jayasinghe, Jex Amro, Ron Elemans, Kenneth Chew, Haoling Zhou(SecLab of The Ohio State University), Shixuan Zhao@@NSKernel(SecLab of The Ohio State University), Chao Wang@@evi0s(SecLab of The Ohio State University), Zhiqiang Lin(SecLab of The Ohio State University), Atul R V, Kay Belardinelli (Harvard University)

Affected Software

19 affected componentsFixes available
Apple Multiple Products
Apple Safari<26.2
26.2
Apple tvOS<26.2
26.2
Apple visionOS<26.2
26.2
Apple WatchOS<26.2
26.2
Apple macOS Tahoe<26.2
26.2
Apple iOS<18.7.3
18.7.3
Apple iPadOS<18.7.3
18.7.3
Apple iOS<26.3
26.3
Apple iPadOS<26.3
26.3
Apple Safari<26.2
Apple iPadOS<18.7.3
Apple iPadOS>=26.0<26.2
Apple iPhone OS<18.7.3
Apple iPhone OS>=26.0<26.2
Apple macOS>=26.0<26.2
Apple tvOS<26.2
Apple visionOS<26.2
Apple WatchOS<26.2

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

Dec 12, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected Software
News Published
via BleepingComputer·11:23 PM
News Published
via BleepingComputer·11:24 PM
Dec 15, 2025
CVE Published
via CISA·12:00 AM
Known Exploited
via CISA·12:00 AM
Data Sourced
via CISA·12:00 AM
RemedyDescriptionAffected Software
Dec 16, 2025
News Published
via ZDNet·06:15 PM
News Published
via ZDNet·06:23 PM
Dec 17, 2025
Data Sourced
via Red Hat·02:20 PM
DescriptionSeverityAffected Software
CVE Published
via MITRE·08:46 PM
Data Sourced
via MITRE·08:46 PM
DescriptionWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
Dec 24, 2025
News Published
via ZDNet·01:37 PM
Feb 11, 2026
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Feb 12, 2026
News Published
via BleepingComputer·01:06 AM
News Published
via The Register·02:01 PM
News Published
via The Register·02:05 PM
Mar 18, 2026
News Published
via BleepingComputer·02:02 PM
News Published
via The Register·09:39 PM
Mar 23, 2026
News Published
via BleepingComputer·08:37 AM
Apr 1, 2026
News Published
via BleepingComputer·09:50 PM

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2025-43529?

The severity of CVE-2025-43529 is considered high due to the potential for permissions issues that could be exploited.

2

How do I fix CVE-2025-43529?

To fix CVE-2025-43529, users should update their Apple devices to the latest versions as specified in the vulnerability details.

3

Which Apple products are affected by CVE-2025-43529?

CVE-2025-43529 affects multiple Apple products including tvOS, iOS, iPadOS, macOS Tahoe, Safari, watchOS, and visionOS, specifically prior to specified versions.

4

What types of issues does CVE-2025-43529 address?

CVE-2025-43529 addresses permissions issues and bounds checks related to AppleJPEG and code-signing restrictions impacting Intel-based Mac computers.

5

Is there a critical impact associated with CVE-2025-43529?

Yes, CVE-2025-43529 has a critical impact as it relates to security flaws that could potentially allow unauthorized access or damage to systems.

Company

Resources

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