CVE-2025-43511: Input Validation

Published Nov 5, 2025
·
Updated

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may lead to an unexpected process crash.

Other sources

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.2, Safari 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.2. Processing maliciously crafted web content may lead to an unexpected process crash.

— Red Hat

Accessibility. A permissions issue was addressed with additional restrictions.

— Apple

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

— Apple

AppleJPEG. The issue was addressed with improved bounds checks.

— Apple

AppleMobileFileIntegrity. A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions.

— Apple

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), floeki(IES Red Team of ByteDance), Zhongcheng Li(IES Red Team of ByteDance), Michael Reeves@@IntegralPilot, an anonymous researcher, Riley Walz, CVE-2024-7264, CVE-2025-9086, Yiğit Ocak, Andrew Calvano(Meta Product Security), Lucas Pinheiro(Meta Product Security), Duy Trần@@khanhduytran0, Kaitao Xie(Alibaba Group), Xiaolong Bai(Alibaba Group), 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, 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, 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), Mickey Jin@@patch1t, Jex Amro, Ron Elemans, Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Csaba Fitzl@@theevilbit(Iru), 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, Morris Richman@@morrisinlife, Gergely Kalman@@gergely_kalman, Kay Belardinelli (Harvard University), JZ, Dennis Briner, Hikerell (Loadshine Lab), iisBuri, Cristian Dinca (icmd.tech), Romain Lebesle(Khatima), Himanshu Bharti@@Xpl0itme(Khatima), Taavi Eomäe(Zone Media), Minghao Lin@@Y1nKoc, Lyutoon@@Lyutoon_, YingQi Shi@@Mas0n, Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), BynarIO AI (bynar.io), @@RenwaX23, Joshua Thomas, Dalibor Milanovic, rheza@@ginggilBesel(Trend Micro Zero Day Initiative), shandikri(Trend Micro Zero Day Initiative), Phil Beauvoir, rheza@@ginggilBesel, Justin Cohen(Google), Tom Van Goethem

Affected Software

10 affected componentsFixes available
Apple macOS Tahoe<26.2
26.2
Apple Safari<26.2
26.2
Apple iOS<26.2
26.2
Apple iPadOS<26.2
26.2
Apple WatchOS<26.2
26.2
Apple visionOS<26.2
26.2
Apple iOS<18.7.2
18.7.2
Apple iPadOS<18.7.2
18.7.2
Apple iPadOS<18.7.2
Apple iPhone OS<18.7.2

Event History

Nov 5, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Dec 12, 2025
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
CVE Published
via MITRE·08:56 PM
Data Sourced
via MITRE·08:56 PM
DescriptionWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
Mar 18, 2026
Data Sourced
via Red Hat·08:16 PM
DescriptionSeverityAffected Software

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-2025-43511?

CVE-2025-43511 is considered a high severity vulnerability due to its potential impact on system stability and user data.

2

How do I fix CVE-2025-43511?

To fix CVE-2025-43511, update your affected Apple software to the latest version, specifically iOS 18.7.2 or iPadOS 18.7.2.

3

What types of devices are affected by CVE-2025-43511?

CVE-2025-43511 affects multiple Apple products including macOS Tahoe, Safari, iOS, iPadOS, watchOS, and visionOS.

4

What are the potential consequences of CVE-2025-43511?

Exploitation of CVE-2025-43511 could lead to unexpected application crashes when processing malicious web content.

5

Is there a patch available for CVE-2025-43511?

Yes, a patch for CVE-2025-43511 is available in the form of software updates for affected Apple products.

Company

Resources

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