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

CISA Known Exploited Vulnerabilities

Name

Apple Multiple Products Integer Overflow Vulnerability

Vendor

Apple

Product

Multiple Products

Added to the catalog

2023-06-23

Due date for US federal agencies

2023-07-14

Weaknesses

CWE-190

Catalog version

2026.10.30

Apple iOS. iPadOS, macOS, and watchOS contain an integer overflow vulnerability that could allow an application to execute code with kernel privileges.

Required action (CISA)

Apply updates per vendor instructions.

Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.

Links in CISA's notes

• https://support.apple.com/en-us/HT213808,
• https://support.apple.com/en-us/HT213812,
• https://support.apple.com/en-us/HT213809,
• https://support.apple.com/en-us/HT213810,
• https://support.apple.com/en-us/HT213813,
• https://support.apple.com/en-us/HT213811,
• https://support.apple.com/en-us/HT213814
• https://nvd.nist.gov/vuln/detail/CVE-2023-32434

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status

Analyzed

Published

2023-06-23T18:15:13.720

Last modified

2026-06-17T05:58:49.887

Weaknesses

CWE-190

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.

References

• http://seclists.org/fulldisclosure/2023/Oct/20 (Mailing List, Third Party Advisory)
• https://support.apple.com/en-us/HT213808 (Vendor Advisory)
• https://support.apple.com/en-us/HT213809 (Vendor Advisory)
• https://support.apple.com/en-us/HT213810 (Vendor Advisory)
• https://support.apple.com/en-us/HT213811 (Vendor Advisory)
• https://support.apple.com/en-us/HT213812 (Vendor Advisory)
• https://support.apple.com/en-us/HT213813 (Vendor Advisory)
• https://support.apple.com/en-us/HT213814 (Vendor Advisory)
• https://support.apple.com/kb/HT213990 (Vendor Advisory)
• http://seclists.org/fulldisclosure/2023/Oct/20 (Mailing List, Third Party Advisory)
• https://support.apple.com/en-us/HT213808 (Vendor Advisory)
• https://support.apple.com/en-us/HT213809 (Vendor Advisory)
• https://support.apple.com/en-us/HT213810 (Vendor Advisory)
• https://support.apple.com/en-us/HT213811 (Vendor Advisory)
• https://support.apple.com/en-us/HT213812 (Vendor Advisory)
• https://support.apple.com/en-us/HT213813 (Vendor Advisory)
• https://support.apple.com/en-us/HT213814 (Vendor Advisory)
• https://support.apple.com/kb/HT213990 (Vendor Advisory)
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32434 (US Government Resource)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:42:08.214Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2023-32434

CVE record

Assigner

apple

State

PUBLISHED

Published

2023-06-23T00:00:00.000Z

Updated

2025-10-21T23:05:44.647Z

Problem types

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.

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.

References

• https://support.apple.com/en-us/HT213810
• https://support.apple.com/en-us/HT213811
• https://support.apple.com/en-us/HT213814
• https://support.apple.com/en-us/HT213808
• https://support.apple.com/en-us/HT213812
• https://support.apple.com/en-us/HT213813
• https://support.apple.com/en-us/HT213809
• https://support.apple.com/kb/HT213990
• http://seclists.org/fulldisclosure/2023/Oct/20

Read on 2026-11-03T02:03:33.787Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/32xxx/CVE-2023-32434.json

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

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