CVE-2025-43539

HIGH

macOS < 14.8.3 - Memory Corruption via File Processing

Title source: llm
STIX 2.1

Description

The issue was addressed with improved bounds checks. This issue is fixed in iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.3, macOS Sonoma 14.8.3, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing a file may lead to memory corruption.

References (8)

Core 8

Scores

CVSS v3 8.8
EPSS 0.0009
EPSS Percentile 25.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-787
Status published
Products (9)
Apple/iOS and iPadOS < 18.7.3
Apple/iOS and iPadOS < 26.2
apple/macos < 14.8.3
Apple/macOS < 14.8.3
Apple/macOS < 15.7.3
Apple/macOS < 26.2
Apple/tvOS < 26.2
Apple/visionOS < 26.2
Apple/watchOS < 26.2
Published Dec 12, 2025
Tracked Since Feb 18, 2026