CVE-2025-43421

CVSS 4.3 MEDIUMEPSS 0.6%CWE-125 CWE-787

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.3EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

04 Nov 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

Apple · iOS and iPadOS Apple · macOS Apple · Safari Apple · visionOS

References

https://support.apple.com/en-us/125632 https://support.apple.com/en-us/125634 https://support.apple.com/en-us/125638 https://support.apple.com/en-us/125640