CVE-2020-3847

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3. A remote attacker may be able to leak memory.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.34% Top 25%
Vendor Advisory apple.com
Affected: Apple macOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/HT210919 release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-3847?
CVE-2020-3847 has been scored as a critical severity vulnerability.
How to fix CVE-2020-3847?
To fix CVE-2020-3847, 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-2020-3847 being actively exploited in the wild?
It is possible that CVE-2020-3847 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3847?
CVE-2020-3847 affects Apple macOS.
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