# CVE-2023-32434: Apple Multiple Products Integer Overflow Vulnerability

> CVE-2023-32434: Apple Multiple Products Integer Overflow Vulnerability. CVSS 7.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2023-32434
Last updated: 2025-10-21T23:05:44Z

- Published: 2023-06-23 00:00 UTC · Updated: 2025-10-21 23:05 UTC · Assigner: apple
- CVSS: 7.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 51.5%, 99th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2023-06-23, federal due date 2023-07-14, ransomware use: Unknown

## Description

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.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Apple: iOS and iPadOS
- Apple: macOS
- Apple: watchOS

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2023-32434)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2023-32434)
- [http://seclists.org/fulldisclosure/2023/Oct/20](http://seclists.org/fulldisclosure/2023/Oct/20)
- [https://support.apple.com/en-us/HT213808](https://support.apple.com/en-us/HT213808)
- [https://support.apple.com/en-us/HT213809](https://support.apple.com/en-us/HT213809)
- [https://support.apple.com/en-us/HT213810](https://support.apple.com/en-us/HT213810)
- [https://support.apple.com/en-us/HT213811](https://support.apple.com/en-us/HT213811)
- [https://support.apple.com/en-us/HT213812](https://support.apple.com/en-us/HT213812)
- [https://support.apple.com/en-us/HT213813](https://support.apple.com/en-us/HT213813)
- [https://support.apple.com/en-us/HT213814](https://support.apple.com/en-us/HT213814)
- [https://support.apple.com/kb/HT213990](https://support.apple.com/kb/HT213990)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2023-32434 · Markdown: https://rewindex.com/cve/CVE-2023-32434.md · JSON: https://rewindex.com/api/v1/cves/CVE-2023-32434 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:10:42.722Z