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CVE-2025-31278

Good to know:

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Date: July 29, 2025

The issue was addressed with improved memory handling. This issue is fixed in iPadOS 17.7.9, watchOS 11.6, visionOS 2.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6. Processing maliciously crafted web content may lead to memory corruption.

Severity Score

Related Resources (9)

https://support.apple.com/en-us/124147
https://support.apple.com/en-us/124148
https://support.apple.com/en-us/124154
https://support.apple.com/en-us/124155
https://nvd.nist.gov/vuln/detail/CVE-2025-31278
https://support.apple.com/en-us/124152
https://support.apple.com/en-us/124153
https://support.apple.com/en-us/124149
https://www.mend.io/vulnerability-database/CVE-2025-31278

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Top Fix

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Upgrade Version

Upgrade to version https://github.com/WebKit/WebKit.git - webkitgtk-2.48.5;https://github.com/WebKit/WebKit.git - wpewebkit-2.48.5

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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