A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.2, Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, tvOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.
History

Thu, 18 Dec 2025 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Apple iphone Os
CPEs cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Vendors & Products Apple iphone Os

Thu, 18 Dec 2025 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple ios
Apple ipados
Apple macos
Apple macos Tahoe
Apple safari
Apple tvos
Apple visionos
Apple watchos
Vendors & Products Apple
Apple ios
Apple ipados
Apple macos
Apple macos Tahoe
Apple safari
Apple tvos
Apple visionos
Apple watchos

Thu, 18 Dec 2025 00:15:00 +0000

Type Values Removed Values Added
Title webkitgtk: webkitgtk: Use-after-free due to improper memory management
Weaknesses CWE-825
References
Metrics threat_severity

None

threat_severity

Important


Wed, 17 Dec 2025 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 17 Dec 2025 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Wed, 17 Dec 2025 21:00:00 +0000

Type Values Removed Values Added
Description A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.2, Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, tvOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.
References
Metrics kev

{'dateAdded': '2025-12-15T00:00:00+00:00', 'dueDate': '2026-01-05T00:00:00+00:00'}


cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published: 2025-12-17T20:46:55.691Z

Updated: 2025-12-18T04:55:15.285Z

Reserved: 2025-04-16T15:27:21.197Z

Link: CVE-2025-43529

cve-icon Vulnrichment

Updated: 2025-12-17T21:05:42.168Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-17T21:16:11.570

Modified: 2025-12-18T14:59:05.617

Link: CVE-2025-43529

cve-icon Redhat

Severity : Important

Publid Date: 2025-12-16T00:00:00Z

Links: CVE-2025-43529 - Bugzilla