Skip to main content

Apple CVE-2025-31277

HIGH
Buffer Overflow (CWE-119)
2025-07-30 product-security@apple.com
8.8
CVSS 3.1
Share

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

5
Patch released
Apr 05, 2026 - 20:30 nvd
Patch available
Added to CISA KEV
Apr 03, 2026 - 14:30 cisa
CISA KEV
PoC Detected
Apr 03, 2026 - 14:30 vuln.today
Public exploit code
Analysis Generated
Mar 19, 2026 - 18:30 vuln.today
CVE Published
Jul 30, 2025 - 00:15 nvd
HIGH 8.8

DescriptionNVD

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, 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.

AnalysisAI

WebKit memory corruption in Safari 18.6 and multiple Apple platforms allows remote code execution when processing maliciously crafted web content, exploited in the wild as a zero-day.

Technical ContextAI

The CWE-119 buffer handling flaw in WebKit's content processing engine allows an attacker to corrupt heap memory through malicious HTML/JavaScript payloads. Apple addressed this with improved memory handling in the WebKit rendering pipeline.

RemediationAI

Update all Apple devices immediately. Organizations should enable Rapid Security Response on managed devices and consider Lockdown Mode for high-risk users.

Vendor StatusVendor

Share

CVE-2025-31277 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy