CVE-2025-43434

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-43434
A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.

4.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://support.apple.com/en-us/125632
https://support.apple.com/en-us/125633
https://support.apple.com/en-us/125634
https://support.apple.com/en-us/125638
https://support.apple.com/en-us/125639
https://support.apple.com/en-us/125640
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
History

17 Dec 2025, 21:16

Type Values Removed Values Added
Summary (en) A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2. Processing maliciously crafted web content may lead to an unexpected Safari crash. (en) A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.
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/125639 -
  • () https://support.apple.com/en-us/125640 -

05 Nov 2025, 19:15

Type Values Removed Values Added
References
  • {'url': 'https://support.apple.com/en-us/125632', 'tags': ['Release Notes', 'Vendor Advisory'], 'source': 'product-security@apple.com'}
  • {'url': 'https://support.apple.com/en-us/125638', 'tags': ['Release Notes', 'Vendor Advisory'], 'source': 'product-security@apple.com'}
  • {'url': 'https://support.apple.com/en-us/125639', 'tags': ['Release Notes', 'Vendor Advisory'], 'source': 'product-security@apple.com'}
  • {'url': 'https://support.apple.com/en-us/125640', 'tags': ['Release Notes', 'Vendor Advisory'], 'source': 'product-security@apple.com'}
  • () https://support.apple.com/en-us/125633 -
Summary (en) A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash. (en) A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.

05 Nov 2025, 14:39

Type Values Removed Values Added
References () https://support.apple.com/en-us/125632 - () https://support.apple.com/en-us/125632 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/125638 - () https://support.apple.com/en-us/125638 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/125639 - () https://support.apple.com/en-us/125639 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/125640 - () https://support.apple.com/en-us/125640 - Release Notes, Vendor Advisory
CPE cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
First Time Apple watchos
Apple iphone Os
Apple safari
Apple visionos
Apple ipados
Apple

04 Nov 2025, 14:15

Type Values Removed Values Added
CWE CWE-416
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 4.3

04 Nov 2025, 02:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-11-04 02:15

Updated : 2025-12-17 21:16

NVD link : CVE-2025-43434

Mitre link : CVE-2025-43434

CVE.ORG link : CVE-2025-43434

JSON object : View

Products Affected

apple

  • watchos
  • safari
  • iphone_os
  • visionos
  • ipados
CWE
CWE-416

Use After Free