CVE-2023-32434
Apple macOS, Apple iOS and iPadOS, Apple watchOS
Published 23 Jun 2023 · updated 17 Jun 2026 · Analyzed
7.8 High · CVSS 3.1, NVD
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 23 Jun 2023, with a remediation deadline of 14 Jul 2023 for US federal agencies.
Required action: Apply updates per vendor instructions.
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.
References
- seclists.org/fulldisclosure/2023/Oct/20 · Mailing List, Third Party Advisory
- support.apple.com/en-us/HT213808 · Vendor Advisory
- support.apple.com/en-us/HT213809 · Vendor Advisory
- support.apple.com/en-us/HT213810 · Vendor Advisory
- support.apple.com/en-us/HT213811 · Vendor Advisory
- support.apple.com/en-us/HT213812 · Vendor Advisory
- support.apple.com/en-us/HT213813 · Vendor Advisory
- support.apple.com/en-us/HT213814 · Vendor Advisory
- support.apple.com/kb/HT213990 · Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32434 · US Government Resource