CVE-2018-4142

Description

An issue was discovered in certain Apple products. iOS before 11.3 is affected. macOS before 10.13.4 is affected. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves the "CoreText" component. It allows remote attackers to cause a denial of service (application crash) via a crafted string.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 3.13% Top 15%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://support.apple.com/HT208692 vendor advisory
http://www.securitytracker.com/id/1040604 third party advisory vdb entry
https://support.apple.com/HT208698 vendor advisory
https://support.apple.com/HT208696 vendor advisory
https://support.apple.com/HT208693 vendor advisory
http://www.securitytracker.com/id/1040608 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2018-4142?
CVE-2018-4142 has been scored as a high severity vulnerability.
How to fix CVE-2018-4142?
To fix CVE-2018-4142, 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-2018-4142 being actively exploited in the wild?
It is possible that CVE-2018-4142 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.