SecuriTricks - CVE-2025-43421

Description

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

Product(s) Impacted

Vendor	Product	Versions
Apple	Safari Ipados Iphone Os Visionos	* * * *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	apple	safari	/	/	/	/	/	/	/	/
o	apple	ipados	/	/	/	/	/	/	/	/
o	apple	iphone_os	/	/	/	/	/	/	/	/
o	apple	visionos	/	/	/	/	/	/	/	/

References

https://support.apple.com/en-us/125632

https://support.apple.com/en-us/125638

https://support.apple.com/en-us/125640

CVSS Score

4.3 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

View Vector String

Timeline

Published: Nov. 4, 2025, 2:15 a.m.
Last Modified: Nov. 5, 2025, 3 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

product-security@apple.com

CVE-2025-43421