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OpenAdvisories
High · 8.8 Known exploited CVE-2020-9818 EUVD-2020-30597GHSA-r647-89qj-xwmp

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, watc…

Published Jun 9, 2020 · Updated Dec 20, 2025 · Assigned by apple

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.

Affected products

VendorProductAffectedFixed
Apple iOS unspecified – < iOS 13.5 and iPadOS 13.5 iOS 13.5 and iPadOS 13.5
Apple iOS-1 unspecified – < iOS 12.4.7 iOS 12.4.7
Apple watchOS unspecified – < watchOS 6.2.5 watchOS 6.2.5

References