Product:
macOS
Summary
The issue was addressed with improved memory handling. Processing a maliciously crafted image may corrupt process memory. This vulnerability could lead to potential data exposure or system instability.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.5 | CVE-2026-39870 |
Exploitation
An attacker can exploit this vulnerability by sending a specially crafted image to the target system. When the image is processed, it may lead to memory corruption, allowing the attacker to execute arbitrary code or cause a denial of service.
Affected Products
- macOS Sequoia 15.7.7 – Affected by memory handling issues that could lead to process memory corruption.
- macOS Sonoma 14.8.7 – Vulnerable to the same memory handling issues as Sequoia.
- macOS Tahoe 26.5 – Also impacted by the memory corruption vulnerability when processing crafted images.
Mitigation
To mitigate this vulnerability, users should update their macOS to the latest version where the issue has been addressed. Regularly applying security updates is crucial to protect against such vulnerabilities.