CVE-2023-32434
HIGHCISA KEVEPSS 99th pctlDescription
An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 99% of all known CVEs.
Apple Multiple Products Integer Overflow Vulnerability
Apple iOS. iPadOS, macOS, and watchOS contain an integer overflow vulnerability that could allow an application to execute code with kernel privileges.
Apply updates per vendor instructions.
Remediation due: 2023-07-14
References
- http://seclists.org/fulldisclosure/2023/Oct/20
- https://support.apple.com/en-us/HT213808
- https://support.apple.com/en-us/HT213809
- https://support.apple.com/en-us/HT213810
- https://support.apple.com/en-us/HT213811
- https://support.apple.com/en-us/HT213812
- https://support.apple.com/en-us/HT213813
- https://support.apple.com/en-us/HT213814
- https://support.apple.com/kb/HT213990
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32434
Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-23.