CVE-2020-9819

Known Exploited

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.45%
KEV Since 
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS
Affected: Apple iOS-1
Affected: Apple watchOS
Affected: Apple watchOS-1
Published at:
Updated at:

References

Link Tags
https://support.apple.com/HT211168 release notes vendor advisory
https://support.apple.com/HT211175 release notes vendor advisory
https://support.apple.com/HT211169 release notes vendor advisory
https://support.apple.com/HT211176 release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-9819?
CVE-2020-9819 has been scored as a medium severity vulnerability.
How to fix CVE-2020-9819?
To fix CVE-2020-9819, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-9819 being actively exploited in the wild?
It is confirmed that CVE-2020-9819 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-9819?
CVE-2020-9819 affects Apple iOS, Apple iOS-1, Apple watchOS, Apple watchOS-1.
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