CVE-2025-43209 Details
Description
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
A vulnerability in WebKit, the engine used by Safari, allows for out-of-bounds access due to insufficient bounds checking. This issue can be triggered by processing maliciously crafted web content, leading to memory corruption and causing Safari to crash unexpectedly. The vulnerability is present in multiple Apple operating systems, including macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, iPadOS 17.7.9, tvOS 18.6, watchOS 11.6, and visionOS 2.6.
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 Jul 30, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| http://seclists.org/fulldisclosure/2025/Jul/31 | CVE | |
| http://seclists.org/fulldisclosure/2025/Jul/32 | CVE | |
| http://seclists.org/fulldisclosure/2025/Jul/33 | CVE | |
| http://seclists.org/fulldisclosure/2025/Jul/34 | CVE | |
| http://seclists.org/fulldisclosure/2025/Jul/36 | CVE | |
| http://seclists.org/fulldisclosure/2025/Jul/37 | CVE | |
| https://support.apple.com/en-us/124147 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/124148 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/124149 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/124150 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/124151 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/124153 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/124154 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/124155 | [email protected] | Release NotesVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| apple ipados | < 17.7.9 >= 18.0, < 18.6 |
CPE
Remediation
| |
| apple iphone os | < 18.6 |
CPE
Remediation
| |
| apple macos | < 13.7.7 >= 14.0, < 14.7.7 >= 15.0, < 15.6 |
CPE
Remediation
| |
| apple tvos | < 18.6 |
CPE
Remediation
| |
| apple visionos | < 2.6 |
CPE
Remediation
| |
| apple watchos | < 11.6 |
CPE
Remediation
| |
Change History
7 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] |
| Nov 3, 2025 | CVE Modified | CVE |
| Jul 31, 2025 | Initial Analysis | [email protected] |
| Jul 30, 2025 | CVE Modified | CISA-ADP |
| Jul 30, 2025 | New CVE Received | [email protected] |