Description
A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 18.2, iOS 18.2 and iPadOS 18.2, iPadOS 17.7.3, macOS Sequoia 15.2, tvOS 18.2, visionOS 2.2, watchOS 11.2. Processing maliciously crafted web content may lead to memory corruption.
Affected products
apple: safari; apple: ipados; apple: iphone os; apple: macos; apple: tvos; apple: visionos; apple: watchos
References10
- support.apple.com/en-us/121837 Vendor Advisory
- support.apple.com/en-us/121838 Vendor Advisory
- support.apple.com/en-us/121839 Vendor Advisory
- support.apple.com/en-us/121843 Vendor Advisory
- support.apple.com/en-us/121844 Vendor Advisory
- support.apple.com/en-us/121845 Vendor Advisory
- support.apple.com/en-us/121846 Vendor Advisory
- seclists.org/fulldisclosure/2024/Dec/10
- seclists.org/fulldisclosure/2024/Dec/13
- seclists.org/fulldisclosure/2024/Dec/6
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 1% percentile: 65 · as of 6 November 2026
- CWE
- CWE-843
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.