Vulnerability Report

CVE-2025-31277

CISA KEV Active

Title: Apple Safari Memory Corruption

Memory Corruption

Proof Of Concept

PoC Available for CVE-2025-31277

CWE Category CWE-119

Published Date Jul 30, 2025

Modified Date Jul 15, 2026

Exploit Status Available

Score 8.8 CVSS v3.1

Exploit Probability (EPSS)

1.48%

Vulnerability Summary

CVE-2025-31277: 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.

Impacted Vendors

apple 1

webkitgtk 1

wpewebkit 1

Reference Links

https://support.apple.com/en-us/124147 https://support.apple.com/en-us/124149 https://support.apple.com/en-us/124152 https://support.apple.com/en-us/124153 https://support.apple.com/en-us/124154 https://support.apple.com/en-us/124155 http://seclists.org/fulldisclosure/2025/Aug/0 http://seclists.org/fulldisclosure/2025/Jul/30 http://seclists.org/fulldisclosure/2025/Jul/32 http://seclists.org/fulldisclosure/2025/Jul/36

CVSS v3.1

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

Severity HIGH

8.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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