CVE-2025-43209

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

30/07/2025

Last modified:

02/04/2026

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:apple:ipados::::::::		17.7.9 (excluding)
cpe:2.3:o:apple:ipados::::::::	18.0 (including)	18.6 (excluding)
cpe:2.3:o:apple:iphone_os::::::::		18.6 (excluding)
cpe:2.3:o:apple:macos::::::::		13.7.7 (excluding)
cpe:2.3:o:apple:macos::::::::	14.0 (including)	14.7.7 (excluding)
cpe:2.3:o:apple:macos::::::::	15.0 (including)	15.6 (excluding)
cpe:2.3:o:apple:tvos::::::::		18.6 (excluding)
cpe:2.3:o:apple:visionos::::::::		2.6 (excluding)
cpe:2.3:o:apple:watchos::::::::		11.6 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2025-43209

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools