CVE-2025-31277

Published: Jul 30, 2025Modified: Apr 3, 2026CISA KEV

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (7)

Products: Apple: Ipados, Iphone Os, Macos, Safari, Tvos, Visionos, Watchos

7 products

Configuration A

7 vulnerable

Vulnerable Software	Affected Versions
Apple Ipados	Before 18.6
Apple Iphone Os	Before 18.6
Apple Macos	From 15.0 to 15.6
Apple Safari	Before 18.6
Apple Tvos	Before 18.6
Apple Visionos	Before 2.6
Apple Watchos	Before 11.6

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (12)

https://support.apple.com/en-us/124147

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/124149

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/124152

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/124153

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/124154

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/124155

Source: product-security@apple.com

Release NotesVendor Advisory

http://seclists.org/fulldisclosure/2025/Aug/0

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2025/Jul/30

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2025/Jul/32

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2025/Jul/36

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Technical Description

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-31277

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

Timeline

No history available yet.