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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 26
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Apple Safari
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
|
— |
18.6
|
|
Apple Ipados
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
|
— |
18.6
|
|
Apple Iphone_Os
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
|
— |
18.6
|
|
Apple Macos
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
|
15.0
|
15.6
|
|
Apple Tvos
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
|
— |
18.6
|
|
Apple Visionos
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
|
— |
2.6
|
|
Apple Watchos
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
|
— |
11.6
|
|
Webkitgtk Webkitgtk
cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*
|
— |
2.50.0
|
|
Wpewebkit Wpe_Webkit
cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*
|
— |
2.50.0
|
|
Redhat Enterprise_Linux
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux_Aus
cpe:2.3:o:redhat:enterprise_linux_aus:8.2:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux_Aus
cpe:2.3:o:redhat:enterprise_linux_aus:8.4:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux_Aus
cpe:2.3:o:redhat:enterprise_linux_aus:8.6:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux_Els
cpe:2.3:o:redhat:enterprise_linux_els:7.0:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux_Eus
cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux_Eus
cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux_Eus
cpe:2.3:o:redhat:enterprise_linux_eus:9.4:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux_Tus
cpe:2.3:o:redhat:enterprise_linux_tus:8.6:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux_Tus
cpe:2.3:o:redhat:enterprise_linux_tus:8.8:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux_Update_Services_For_Sap_Solutions
cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux_Update_Services_For_Sap_Solutions
cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.8:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux_Update_Services_For_Sap_Solutions
cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:*
|
— | — |
|
Redhat Enterprise_Linux_Update_Services_For_Sap_Solutions
cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.2:*:*:*:*:*:*:*
|
— | — |
References 25
https://support.apple.com/en-us/124147
product-security@apple.com
https://support.apple.com/en-us/124149
product-security@apple.com
https://support.apple.com/en-us/124152
product-security@apple.com
https://support.apple.com/en-us/124153
product-security@apple.com
https://support.apple.com/en-us/124154
product-security@apple.com
https://support.apple.com/en-us/124155
product-security@apple.com
http://seclists.org/fulldisclosure/2025/Aug/0
af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2025/Jul/30
af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2025/Jul/32
af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2025/Jul/36
af854a3a-2127-422b-91ae-364da2661108
https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-…
134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025…
134c704f-9b21-4f2e-91b3-4a467353bcc0
https://access.redhat.com/errata/RHSA-2025:17643
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2025:17741
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2025:17743
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2025:17802
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2025:17807
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2025:18097
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2025:19109
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2025:19157
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2025:19165
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2025:19352
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/security/cve/CVE-2025-31277
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://bugzilla.redhat.com/show_bug.cgi?id=2448780
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-31277.json
0b0ca135-0b70-47e7-9f44-1890c2a1c46c