CVE-2025-43529

Apple Multiple Products Use-After-Free WebKit Vulnerability

Apple — Multiple Products

Added to KEV catalog: 15 December 2025
Federal remediation due date: 5 January 2026
Weakness classification (CWE): CWE-416

CISA Description

Apple iOS, iPadOS, macOS, and other Apple products contain a use-after-free vulnerability in WebKit. Processing maliciously crafted web content may lead to memory corruption. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://support.apple.com/en-us/125884 ; https://support.apple.com/en-us/125892 ; https://support.apple.com/en-us/125885 ; https://support.apple.com/en-us/125886 ; https://support.apple.com/en-us/125889 ; https://nvd.nist.gov/vuln/detail/CVE-2025-43529

View on NVD View on MITRE CVE View full CISA catalog

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CVE-2023-43000

Apple Multiple products Use-After-Free Vulnerability

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