Integer overflow in Apple iOS and iPadOS - CVE-2023-32434
Published: June 21, 2023 / Updated: September 12, 2025
Vulnerability identifier: #VU77607
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2023-32434
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Apple Inc.
Affected software:
Apple iOS
iPadOS
Apple iOS
iPadOS
Detailed vulnerability description
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to an integer overflow within the OS kernel. A local application can trigger an integer overflow and execute arbitrary code with kernel privileges.
Note, the vulnerability is being actively exploited in the wild.
How to mitigate CVE-2023-32434
Install updates from vendor's website.