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CVE-2025-43529 — Apple Multiple Products Use-After-Free WebKit Vulnerability

provenance: imported · CVE: CVE-2025-43529

CVE-2025-43529: Apple Multiple Products Use-After-Free WebKit Vulnerability

CISA Known Exploited Vulnerability (KEV)

Vendor / project Apple
Product Multiple Products
Date added 2025-12-15
Due date 2026-01-05
Ransomware campaign use Unknown

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 (CISA)

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

References

  • NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-43529
  • KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog