CVE-2023-32434An integer overflow was addressed with improved input validation.
Updated under an hour ago ()
Does this affect you?
It affects Apple macOS and 4 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Jun 23, 2023; federal agencies had to remediate by Jul 14, 2023. Treat that date as your deadline.
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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
- 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-190
- Known exploited
- Added to CISA KEV Jun 23, 2023; federal remediation due Jul 14, 2023Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 51.52% (percentile 99)
- Assigned by
- apple
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apple macOS apple:macos (from the name) | from unspecified before 12.6 | CNA record |
Apple iOS and iPadOS apple:ios_and_ipados (from the name) | from unspecified before 15.7 | CNA record |
Apple watchOS apple:watchos (from the name) | from unspecified before 8.8 | CNA record |
apple ipados apple:ipados | before 15.7.7; from 16.0 before 16.5.1 | NVD |
apple iphone_os apple:iphone_os | before 15.7.7; from 16.0 before 16.5.1 | NVD |
apple macos apple:macos | from 11.0 before 11.7.8; from 12.0.0 before 12.6.7; from 13.0 before 13.4.1 | NVD |
apple watchos apple:watchos | before 8.8.1; from 9.0 before 9.5.2 | NVD |
References
- https://support.apple.com/en-us/HT213810vendor-advisory
- https://support.apple.com/en-us/HT213811vendor-advisory
- https://support.apple.com/en-us/HT213814vendor-advisory
- https://support.apple.com/en-us/HT213808vendor-advisory
- https://support.apple.com/en-us/HT213812vendor-advisory
- https://support.apple.com/en-us/HT213813vendor-advisory
- https://support.apple.com/en-us/HT213809vendor-advisory
- https://support.apple.com/kb/HT213990vendor-advisory
- http://seclists.org/fulldisclosure/2023/Oct/20mailing-list, third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32434us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.