CVE-2022-42856
HighActively exploited (CISA KEV)
Description
A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. 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 against versions of iOS released before iOS 15.1..
SeverityHigh
CVSS8.8
Exploit probability—
Product
Apple iOS
PublishedDec 15, 2022
First seenDec 15, 2022
Added to KEVDec 14, 2022
Weakness typeCWE-843CWE-843
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Jan 4, 2023Update
- apple safari16.2 or later
- apple ipados15.7.2 or later
- apple iphone_os15.7.2, 16.1.2 or later
- apple macos13.1 or later
- apple tvos16.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple safari | v < 16.2 | 16.2 |
| apple ipados | v < 15.7.2 | 15.7.2 |
| apple iphone_os | v < 15.7.2, 16.0 ≤ v < 16.1.2 | 15.7.2, 16.1.2 |
| apple macos | v < 13.1 | 13.1 |
| apple tvos | v < 16.2 | 16.2 |
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