Buffer overflow in macOS - CVE-2025-43202
Published: July 31, 2025 / Updated: July 31, 2025
Vulnerability identifier: #VU113531
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-43202
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in libnetcore. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
macOS
Apple iOS
iPadOS
Apple iOS
iPadOS
How to mitigate CVE-2025-43202
Install updates from vendor's website.
macOS - update to 15.6 24G84
Apple iOS - update to 18.6 22G86
iPadOS - update to 18.6 22G86
Apple iOS - update to 18.6 22G86
iPadOS - update to 18.6 22G86