CVE-2026-43656

HIGH

iOS and iPadOS < 18.7.9 - Out-of-bounds Write via Maliciously Crafted File

Title source: llm
STIX 2.1

Description

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination.

References (5)

Core 5

Scores

CVSS v3 7.3
EPSS 0.0007
EPSS Percentile 20.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (8)
Apple/iOS and iPadOS < 18.7.9
Apple/iOS and iPadOS < 26.5
apple/ipados < 18.7.9
apple/iphone_os < 18.7.9
Apple/macOS < 14.8.7
Apple/macOS < 15.7.7
Apple/macOS < 26.5
apple/macos 14.0 - 14.8.7
Published May 11, 2026
Tracked Since May 12, 2026