Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-43536

Severity CVSS v4.0:
Pending analysis
Type:
CWE-416 Use After Free
Publication date:
17/12/2025
Last modified:
18/12/2025

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Tahoe 26.2, iOS 26.2 and iPadOS 26.2, Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3. Processing maliciously crafted web content may lead to an unexpected process crash.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVSS v3.1 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

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

Base Score 3.x
4.30
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* 26.2 (excluding)
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* 18.7.3 (excluding)
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* 26.0 (including) 26.2 (excluding)
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 18.7.3 (excluding)
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 26.0 (including) 26.2 (excluding)
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 26.2 (excluding)

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


References to Advisories, Solutions, and Tools