🛡️ CVE-2025-31277
🟠 CVSS 8.8 — High ✅ No Known Exploit CWE-119 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-119
Public Exploit ✅ No
Source NVD
Published 2025-07-30
Updated 2026-06-02
Modified 2026-04-03
Fix URL N/A

Affected Packages

Software From version Fixed in
ipados — 18.6
iphone-os — 18.6
macos 15.0 15.6
safari — 18.6
tvos — 18.6
visionos — 2.6
watchos — 11.6

References

Release Notes, Vendor Advisory https://support.apple.com/en-us/124147
Release Notes, Vendor Advisory https://support.apple.com/en-us/124149
Release Notes, Vendor Advisory https://support.apple.com/en-us/124152
Release Notes, Vendor Advisory https://support.apple.com/en-us/124153
Release Notes, Vendor Advisory https://support.apple.com/en-us/124154
Release Notes, Vendor Advisory https://support.apple.com/en-us/124155
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2025/Aug/0
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2025/Jul/30
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2025/Jul/32
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2025/Jul/36

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