CVE-2025-31277
HighActively exploited (CISA KEV)
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Apple Multiple Products
PublishedJul 30, 2025
First seenJul 30, 2025
Added to KEVMar 20, 2026
Weakness typeCWE-119Memory buffer bounds errorCWE-120CWE-120
How to fix
CISA required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA due date: Apr 3, 2026Update
- apple safari18.6 or later
- apple ipados18.6 or later
- apple iphone_os18.6 or later
- apple macos15.6 or later
- apple tvos18.6 or later
- apple visionos2.6 or later
- apple watchos11.6 or later
- webkitgtk webkitgtk2.50.0 or later
- wpewebkit wpe_webkit2.50.0 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2025:19352
- access.redhat.com/errata/RHSA-2025:17802
- access.redhat.com/errata/RHSA-2025:19157
- access.redhat.com/errata/RHSA-2025:19165
- access.redhat.com/errata/RHSA-2025:19109
- access.redhat.com/errata/RHSA-2025:17807
- access.redhat.com/errata/RHSA-2025:17643
- access.redhat.com/errata/RHSA-2025:17743
- access.redhat.com/errata/RHSA-2025:17741
- access.redhat.com/errata/RHSA-2025:18097
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple safari | v < 18.6 | 18.6 |
| apple ipados | v < 18.6 | 18.6 |
| apple iphone_os | v < 18.6 | 18.6 |
| apple macos | 15.0 ≤ v < 15.6 | 15.6 |
| apple tvos | v < 18.6 | 18.6 |
| apple visionos | v < 2.6 | 2.6 |
| apple watchos | v < 11.6 | 11.6 |
| webkitgtk webkitgtk | v < 2.50.0 | 2.50.0 |
| wpewebkit wpe_webkit | v < 2.50.0 | 2.50.0 |
| redhat enterprise_linux | 6.0, 7.0, 8.0, 9.0 | — |
| redhat enterprise_linux_aus | 8.2, 8.4, 8.6 | — |
| redhat enterprise_linux_els | 7.0 | — |
| redhat enterprise_linux_eus | 8.4, 8.6, 9.4 | — |
| redhat enterprise_linux_tus | 8.6, 8.8 | — |
| redhat enterprise_linux_update_services_for_sap_solutions | 8.6, 8.8, 9.0, 9.2 | — |
Check your version
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