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CVE-2020-9819

Known Exploited (CISA KEV)MEDIUM
4.3
CVSS Severity Score
EPSS Score34.1640%
EPSS Percentile94.63th
PublishedJun 9, 2020
Last ModifiedOct 23, 2025

Vulnerability Description

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5, watchOS 5.3.7. Processing a maliciously crafted mail message may lead to heap corruption.

Affected Platforms (CPE)

💻
Apple

Ipados

< 13.5
💻
Apple

Iphone Os

< 12.4.7
💻
Apple

Iphone Os

>= 13.0 and < 13.5
💻
Apple

Watchos

< 5.3.7
💻
Apple

Watchos

>= 6.0.0 and < 6.2.5

References & Advisories

🔗 https://support.apple.com/HT211168
🔗 https://support.apple.com/HT211169
🔗 https://support.apple.com/HT211175
🔗 https://support.apple.com/HT211176
🔗 https://support.apple.com/HT211168
🔗 https://support.apple.com/HT211169
🔗 https://support.apple.com/HT211175
🔗 https://support.apple.com/HT211176

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