CVE-2023-32439
Last modified
CVE-2023-32439 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Ventura 13.4.1, Safari 16.5.1. CISA has confirmed active exploitation in the wild. EPSS estimates a 23.79% chance of exploitation in the next 30 days.
Description
A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Ventura 13.4.1, Safari 16.5.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 16.5.1 |
| Apple | Ipados | < 15.7.7 |
| Apple | Ipados | >= 16.0, < 16.5.1 |
| Apple | Iphone Os | < 15.7.7 |
| Apple | Iphone Os | >= 16.0, < 16.5.1 |
| Apple | Macos | >= 13.0, < 13.4.1 |
| Webkitgtk | Webkitgtk\+ | < 2.42.3 |
References
- https://security.gentoo.org/glsa/202401-04Third Party Advisory
- https://support.apple.com/en-us/HT213811Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213813Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213814Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213816Release Notes, Vendor Advisory
- https://support.apple.com/kb/HT213814Vendor Advisory
- https://support.apple.com/kb/HT213816Vendor Advisory
- https://security.gentoo.org/glsa/202401-04Third Party Advisory
- https://support.apple.com/en-us/HT213811Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213813Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213814Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213816Release Notes, Vendor Advisory
- https://support.apple.com/kb/HT213814Vendor Advisory
- https://support.apple.com/kb/HT213816Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32439US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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