CVE-2025-43421

Multiple issues were addressed by disabling array allocation sinking. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://support.apple.com/en-us/125632	Release Notes Vendor Advisory
https://support.apple.com/en-us/125634
https://support.apple.com/en-us/125638	Release Notes Vendor Advisory
https://support.apple.com/en-us/125640	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apple:safari::::::::
	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:visionos::::::::

History

18 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Se abordaron múltiples problemas al deshabilitar el hundimiento de asignación de arreglos. Este problema está corregido en iOS 26.1 y iPadOS 26.1, Safari 26.1, visionOS 26.1. El procesamiento de contenido web malintencionado puede provocar una caída inesperada del proceso.

Information

Published : 2025-11-04 02:15

Updated : 2026-10-18 21:10

NVD link : CVE-2025-43421

Mitre link : CVE-2025-43421

CVE.ORG link : CVE-2025-43421

JSON object : View

Products Affected

apple

iphone_os
safari
ipados
visionos

CWE

CWE-125

Out-of-bounds Read

CWE-787

Out-of-bounds Write

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