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CVE-2020-9819

Severity
MEDIUM
CVSS
4.3
EPSS
0.02178
Risk score
42.96
CISA KEV
Yes
PoC
No
Published
2020-06-09
Modified
2025-12-20
First seen
2026-08-07
Aliases
EUVD-2020-30598, GHSA-X45R-8W3C-GWGC
Products
Apple:iOS, iPadOS, and watchOS, Apple:iOS-1 unspecified <iOS 12.4.7, Apple:watchOS unspecified <watchOS 6.2.5, Apple:watchOS-1 unspecified <watchOS 5.3.7, Cisco:IOS unspecified <iOS 13.5 and iPadOS 13.5
Sources
cisa.gov CVE-2020-9819
euvd EUVD-2020-30598

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.

References