CVE-2020-9818
HighActively exploited (CISA KEV)
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Apple iOS, iPadOS, and watchOS
PublishedJun 9, 2020
First seenJun 9, 2020
Added to KEVNov 3, 2021
Weakness typeCWE-787Out-of-bounds write
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: May 3, 2022Update
- apple ipados13.5 or later
- apple iphone_os12.4.7, 13.5 or later
- apple watchos6.2.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 13.5 | 13.5 |
| apple iphone_os | v < 12.4.7, 13.0 ≤ v < 13.5 | 12.4.7, 13.5 |
| apple watchos | v < 6.2.5 | 6.2.5 |
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