CVE-2025-43429: Buffer Overflow

Published Nov 3, 2025
·
Updated

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2. Processing maliciously crafted web content may lead to an unexpected process crash.

Other sources

A buffer overflow was addressed with improved bounds checking. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

— MITRE

Accessibility. A permissions issue was addressed with additional restrictions.

— Apple

Admin Framework. A logic issue was addressed with improved checks.

— Apple

Admin Framework. The issue was addressed with improved checks.

— Apple

App Store. A logging issue was addressed with improved data redaction.

— Apple

Credit

Ron Masas(BreakPoint), Pinak Oza, an anonymous researcher, Gergely Kalman@@gergely_kalman, Hikerell (Loadshine Lab), Zhongcheng Li(IES Red Team of ByteDance), Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), iisBuri, Apple, Cristian Dinca (icmd.tech), Dave G.(supernetworks), Alex Radocea(supernetworks), Taavi Eomäe(Zone Media), Romain Lebesle(Khatima), Himanshu Bharti@@Xpl0itme(Khatima), Dalibor Milanovic, @@RenwaX23, Stanislav Jelezoglo, Aleksejs Popovs, Phil Beauvoir, Google Big Sleep, Nan Wang@@eternalsakura13, rheza@@ginggilBesel(Trend Micro Zero Day Initiative), shandikri(Trend Micro Zero Day Initiative), Gary Kwong(Trend Micro Zero Day Initiative), Justin Cohen(Google), Tom Van Goethem, Duy Trần@@khanhduytran0, Dennis Briner, Minghao Lin@@Y1nKoc, Lyutoon@@Lyutoon_, YingQi Shi@@Mas0n, Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), BynarIO AI (bynar.io), Kirin@@Pwnrin, Joshua Thomas, rheza@@ginggilBesel, Lehan Dilusha Jayasinghe, 이동하 (Lee Dong Ha(BoB 14th), JZ, pattern-f@@pattern_F_, Gary Kwong, Wojciech Regula(SecuRing), Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Lukaah Marlowe, Rosyna Keller(Totally Not Malicious Software), Google Threat Analysis Group, Asaf Cohen, KPC(Cisco Talos), Isaiah Wan, Will Caine, Thomas Salomon, Sufiyan Gouri (TU Darmstadt), Phil Scott & Richard Hyunho Im (@richeeta)@@MrPeriPeri, Mark Bowers, Joey Hewitt, Dylan Rollins, Arthur Baudoin, Andr.Ess, Mikael Kinnman, Mickey Jin@@patch1t, Joseph Ravichandran@@0xjprx(MIT CSAIL), Dave G. (supernetworks.org), Csaba Fitzl@@theevilbit(Kandji), wac(Trend Micro Zero Day Initiative), Adwiteeya Agrawal, Kenneth Chew, Rodolphe Brunetti@@eisw0lf(Lupus Nova), Rodolphe BRUNETTI@@eisw0lf(Lupus Nova), @@EthanArbuckle, Ferdous Saljooki@@malwarezoo(Jamf), Murray Mike, Doug Hogan, CVE-2024-43398, CVE-2024-49761, CVE-2025-6442, Zhongquan Li@@Guluisacat, Ryan Dowd@@_rdowd, Vivek Dhar, ASI (RM) in Border Security Force, FTR HQ BSF Kashmir, Nikolai Skliarenko(Trend Micro Zero Day Initiative), an anonymous researcher(Microsoft), Kirin@@Pwnrin(Microsoft), Jonathan Bar Or@@yo_yo_yo_jbo(Microsoft), Amy@@asentientbot, CVE-2025-32462, CVE-2025-53906, Wang Yu(Cyberserval), @@cloudlldb, Morris Richman@@morrisinlife

Affected Software

15 affected componentsFixes available
Apple WatchOS<26.1
26.1
Apple tvOS<26.1
26.1
Apple visionOS<26.1
26.1
Apple macOS Tahoe<26.1
26.1
Apple iOS<26.1
26.1
Apple iPadOS<26.1
26.1
Apple Safari<26.1
26.1
Apple Safari<26.1
Apple iPadOS<26.1
Apple iPhone OS<26.1
Apple tvOS<26.1
Apple visionOS<26.1
Apple WatchOS<26.1
Apple iOS<18.7.2
18.7.2
Apple iPadOS<18.7.2
18.7.2

Event History

Nov 3, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
Updated
via Apple·12:00 AM
Affected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Description
Nov 4, 2025
CVE Published
via MITRE·01:15 AM
Data Sourced
via MITRE·01:15 AM
DescriptionWeakness
Data Sourced
via NVD·02:15 AM
DescriptionSeverityWeaknessAffected Software
Nov 5, 2025
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
Nov 21, 2025
Data Sourced
via Red Hat·12:46 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-2025-43429?

CVE-2025-43429 is classified as a medium severity vulnerability due to the potential for a buffer overflow that can lead to an unexpected process crash.

2

How do I fix CVE-2025-43429?

To fix CVE-2025-43429, update your affected Apple devices to the latest version, specifically version 26.1 or above.

3

What devices are affected by CVE-2025-43429?

CVE-2025-43429 affects various Apple products including iOS, iPadOS, macOS Tahoe, watchOS, tvOS, visionOS, and Safari prior to version 26.1.

4

What type of attack does CVE-2025-43429 involve?

CVE-2025-43429 involves a buffer overflow vulnerability that can be exploited by processing maliciously crafted web content.

5

What are the potential consequences of CVE-2025-43429?

Exploitation of CVE-2025-43429 may lead to unexpected process crashes, impacting the stability and functionality of the affected Apple devices.

Company

Resources

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