CVE-2018-4203

Description

An out-of-bounds read was addressed with improved bounds checking. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.48%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: n/a iOS, macOS, tvOS, watchOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/kb/HT209107 vendor advisory
https://support.apple.com/kb/HT209193 vendor advisory
https://support.apple.com/kb/HT209106 vendor advisory
https://support.apple.com/kb/HT209139 vendor advisory
https://support.apple.com/kb/HT209108 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-4203?
CVE-2018-4203 has been scored as a high severity vulnerability.
How to fix CVE-2018-4203?
To fix CVE-2018-4203, 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-2018-4203 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-4203 is being actively exploited. 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-2018-4203?
CVE-2018-4203 affects n/a iOS, macOS, tvOS, watchOS.
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