CVE-2025-43343

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-43343
The issue was addressed with improved memory handling. This issue is fixed in Safari 26, tvOS 26, watchOS 26, iOS 26 and iPadOS 26, visionOS 26. Processing maliciously crafted web content may lead to an unexpected process crash.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://support.apple.com/en-us/125108 Release Notes Vendor Advisory
https://support.apple.com/en-us/125113 Release Notes Vendor Advisory
https://support.apple.com/en-us/125114 Release Notes Vendor Advisory
https://support.apple.com/en-us/125115 Release Notes Vendor Advisory
https://support.apple.com/en-us/125116 Release Notes Vendor Advisory
http://seclists.org/fulldisclosure/2025/Sep/49 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2025/Sep/53 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2025/Sep/57 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2025/Sep/59 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2025/10/13/4 Mailing List Third Party Advisory
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:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*
cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*
History

20 Nov 2025, 17:40

Type Values Removed Values Added
References () http://seclists.org/fulldisclosure/2025/Sep/49 - () http://seclists.org/fulldisclosure/2025/Sep/49 - Mailing List, Third Party Advisory
References () http://seclists.org/fulldisclosure/2025/Sep/53 - () http://seclists.org/fulldisclosure/2025/Sep/53 - Mailing List, Third Party Advisory
References () http://seclists.org/fulldisclosure/2025/Sep/57 - () http://seclists.org/fulldisclosure/2025/Sep/57 - Mailing List, Third Party Advisory
References () http://seclists.org/fulldisclosure/2025/Sep/59 - () http://seclists.org/fulldisclosure/2025/Sep/59 - Mailing List, Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2025/10/13/4 - () http://www.openwall.com/lists/oss-security/2025/10/13/4 - Mailing List, Third Party Advisory
First Time Webkitgtk webkitgtk
Wpewebkit wpe Webkit
Wpewebkit
Webkitgtk
CPE cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*
cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*

04 Nov 2025, 22:16

Type Values Removed Values Added
References
  • () http://www.openwall.com/lists/oss-security/2025/10/13/4 -

04 Nov 2025, 02:15

Type Values Removed Values Added
Summary (en) The issue was addressed with improved memory handling. This issue is fixed in tvOS 26, Safari 26, visionOS 26, watchOS 26, macOS Tahoe 26, iOS 26 and iPadOS 26. Processing maliciously crafted web content may lead to an unexpected process crash. (en) The issue was addressed with improved memory handling. This issue is fixed in Safari 26, tvOS 26, watchOS 26, iOS 26 and iPadOS 26, visionOS 26. Processing maliciously crafted web content may lead to an unexpected process crash.
References
  • {'url': 'https://support.apple.com/en-us/125110', 'tags': ['Release Notes', 'Vendor Advisory'], 'source': 'product-security@apple.com'}

03 Nov 2025, 19:16

Type Values Removed Values Added
References
  • () http://seclists.org/fulldisclosure/2025/Sep/49 -
  • () http://seclists.org/fulldisclosure/2025/Sep/53 -
  • () http://seclists.org/fulldisclosure/2025/Sep/57 -
  • () http://seclists.org/fulldisclosure/2025/Sep/59 -

17 Sep 2025, 14:05

Type Values Removed Values Added
CPE cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
First Time Apple ipados
Apple iphone Os
Apple watchos
Apple tvos
Apple safari
Apple visionos
Apple
Apple macos
References () https://support.apple.com/en-us/125108 - () https://support.apple.com/en-us/125108 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/125110 - () https://support.apple.com/en-us/125110 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/125113 - () https://support.apple.com/en-us/125113 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/125114 - () https://support.apple.com/en-us/125114 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/125115 - () https://support.apple.com/en-us/125115 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/125116 - () https://support.apple.com/en-us/125116 - Release Notes, Vendor Advisory

16 Sep 2025, 18:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8
CWE CWE-119

15 Sep 2025, 23:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-09-15 23:15

Updated : 2025-11-20 17:40

NVD link : CVE-2025-43343

Mitre link : CVE-2025-43343

CVE.ORG link : CVE-2025-43343

JSON object : View

Products Affected

apple

  • watchos
  • safari
  • iphone_os
  • visionos
  • tvos
  • ipados
  • macos

webkitgtk

  • webkitgtk

wpewebkit

  • wpe_webkit
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer