CVE-2025-43343 Details
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to an unexpected process crash.
A memory corruption vulnerability has been identified in the WebKit component of multiple Apple operating systems, including iOS 26, iPadOS 26, macOS Tahoe 26, tvOS 26, watchOS 26, and visionOS 26. This vulnerability arises from improper memory management, which can be exploited by processing maliciously crafted web content, potentially causing an unexpected crash of the affected process.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Sep 16, 2025References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| apple safari | < 26.0 |
CPE
Remediation
| |
| apple ipados | < 26.0 |
CPE
Remediation
| |
| apple iphone os | < 26.0 |
CPE
Remediation
| |
| apple macos | < 26.0 |
CPE
Remediation
| |
| apple tvos | < 26.0 |
CPE
Remediation
| |
| apple visionos | < 26.0 |
CPE
Remediation
| |
| apple watchos | < 26.0 |
CPE
Remediation
| |
| webkitgtk webkitgtk | < 2.50.1 |
CPE
Remediation
| |
| wpewebkit wpe webkit | < 2.50.1 |
CPE
Remediation
| |
Change History
12 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 2, 2026 | CVE Modified | [email protected] |
| Dec 17, 2025 | CVE Modified | CVE |
| Dec 16, 2025 | CVE Modified | CVE |
| Nov 20, 2025 | Modified Analysis | [email protected] |
| Nov 4, 2025 | CVE Modified | CVE |
| Nov 4, 2025 | CVE Modified | [email protected] |
| Nov 3, 2025 | CVE Modified | CVE |
| Sep 17, 2025 | Initial Analysis | [email protected] |
| Sep 16, 2025 | CVE Modified | CISA-ADP |
| Sep 15, 2025 | New CVE Received | [email protected] |