CVE-2025-43421

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
appleCNA
---
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CISA-ADPADP
4.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 11%
VendorProductVersion
applesafari
𝑥
< 26.1
appleipados
𝑥
< 26.1
appleiphone_os
𝑥
< 26.1
applevisionos
𝑥
< 26.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://support.apple.com/en-us/125632
https://support.apple.com/en-us/125638
https://support.apple.com/en-us/125640