CVE-2026-43656
HighSummary
An out-of-bounds write issue was addressed with improved input validation in iOS, iPadOS, and macOS. Parsing a maliciously crafted file may lead to unexpected app termination.
Risk Assessment
Organizations may face application crashes, potentially leading to data loss or service interruptions. Malicious files could be used for user-targeted attacks.
Recommendation
It is recommended to update systems to the latest versions to mitigate this vulnerability. Additionally, files should be monitored and verified before opening.
Other vulnerabilities in iOS, iPadOS, macOS
See all- CVE-2026-28954High
A file quarantine bypass was addressed with additional checks. This issue is fixed in iOS 18.7.9, iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, and macOS Tahoe 26.5.
- CVE-2026-28952High
An integer overflow issue was addressed with improved input validation in iOS, iPadOS, and macOS. An app may be able to cause unexpected system termination.
- CVE-2026-28951High
An authorization issue was addressed with improved state management. An app may be able to gain root privileges.
- CVE-2026-28941High
The issue was addressed with improved checks. Processing a maliciously crafted file may lead to denial-of-service or potentially disclose memory contents.
- CVE-2026-28929High
A logic issue was addressed with improved checks. Replying to an email could display remote images in Mail in Lockdown Mode.
- CVE-2026-28906High
This issue was addressed through improved state management. An attacker may be able to track users through their IP address.
- CVE-2023-37285Critical
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 15.7.8, iPadOS 15.7.8, macOS Big Sur 11.7.9, macOS Monterey 12.6.8, and macOS Ventura 13.5.
- CVE-2026-43753Medium
An out-of-bounds read was addressed with improved bounds checking. An attacker with physical access to a locked device may view sensitive user information.
- CVE-2025-46308Medium
An authorization issue was addressed with improved state management. An app may be able to leak sensitive user information.
- CVE-2023-38603High
The issue was addressed with improved checks. A remote user may be able to cause a denial-of-service.
Original NVD description (English source)
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.