CVE-2024-23222
HIGHCISA KEVEPSS 95th pctlDescription
A type confusion issue was addressed with improved checks. This issue is fixed in Safari 17.3, iOS 15.8.7 and iPadOS 15.8.7, iOS 16.7.5 and iPadOS 16.7.5, iOS 17.3 and iPadOS 17.3, macOS Monterey 12.7.3, macOS Sonoma 14.3, macOS Ventura 13.6.4, tvOS 17.3, visionOS 1.0.2. Processing maliciously crafted web content may lead to arbitrary code execution. This fix associated with the Coruna exploit was shipped in iOS 17.3 on January 22, 2024. This update brings that fix to devices that cannot update to the latest iOS version.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 95% of all known CVEs.
Apple Multiple Products WebKit Type Confusion Vulnerability
Apple iOS, iPadOS, macOS, tvOS, and Safari WebKit contain a type confusion vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Remediation due: 2024-02-13
References
- https://support.apple.com/en-us/118479
- https://support.apple.com/en-us/120304
- https://support.apple.com/en-us/120305
- https://support.apple.com/en-us/120307
- https://support.apple.com/en-us/120309
- https://support.apple.com/en-us/120310
- https://support.apple.com/en-us/120311
- https://support.apple.com/en-us/120339
- https://support.apple.com/en-us/126632
- http://seclists.org/fulldisclosure/2024/Feb/6
- http://seclists.org/fulldisclosure/2024/Jan/34
- http://seclists.org/fulldisclosure/2024/Jan/40
- https://lists.fedoraproject.org/archives/list/[email protected]/message/US43EQFC2IS66EA2CPAZFH2RQ6WD7PKF/
- https://support.apple.com/en-us/HT214055
- https://support.apple.com/en-us/HT214059
- https://support.apple.com/en-us/HT214061
- https://support.apple.com/kb/HT214055
- https://support.apple.com/kb/HT214056
- https://support.apple.com/kb/HT214057
- https://support.apple.com/kb/HT214058
- https://support.apple.com/kb/HT214059
- https://support.apple.com/kb/HT214061
- https://support.apple.com/kb/HT214063
- https://support.apple.com/kb/HT214070
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-23222
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-03.