CVE-2025-31277

8.8 HIGH CISA KEV - Actively Exploited

Published: July 30, 2025 Modified: July 15, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Source: product-security@apple.com

Release Notes Vendor Advisory

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

Source: product-security@apple.com

Release Notes Vendor Advisory

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

Source: product-security@apple.com

Release Notes Vendor Advisory

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

Source: product-security@apple.com

Release Notes Vendor Advisory

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

Source: product-security@apple.com

Release Notes Vendor Advisory

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

Source: product-security@apple.com

Release Notes Vendor Advisory

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

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

Mailing List Third Party Advisory

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

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

Mailing List Third Party Advisory

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

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

Mailing List Third Party Advisory

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

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

Mailing List Third Party Advisory

https://access.redhat.com/errata/RHSA-2025:17643