CVE-2018-4344

iOS, macOS, tvOS, watchOS

Published 3 Apr 2019 · updated 17 Jun 2026 · Analyzed

7.8 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 27 Jun 2022, with a remediation deadline of 18 Jul 2022 for US federal agencies.

Required action: Apply updates per vendor instructions.

Description

A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.

References

support.apple.com/kb/HT209106 · Release Notes, Vendor Advisory
support.apple.com/kb/HT209107 · Release Notes, Vendor Advisory
support.apple.com/kb/HT209108 · Release Notes, Vendor Advisory
support.apple.com/kb/HT209139 · Release Notes, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4344 · US Government Resource