CVE-2018-4354
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
A memory corruption vulnerability in Apple OS components (prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5) could lead to arbitrary code execution.
Vulnerability
A memory corruption issue exists in multiple Apple operating systems, including iOS before 12, macOS Mojave before 10.14, tvOS before 12, and watchOS before 5. The vulnerability affects memory handling, and the exact component is not disclosed in the available references. The issue was fixed with improved memory handling. [2][3][4]
Exploitation
No specific exploitation details are disclosed. The vulnerability is likely exploitable by processing a maliciously crafted input, but user interaction and network position requirements are unknown based on the available information.
Impact
Successful exploitation could allow an attacker to cause memory corruption, potentially leading to arbitrary code execution or application termination. The exact impact is not detailed, but memory corruption issues in Apple software often involve code execution at the privilege level of the affected process.
Mitigation
The vulnerability is addressed by updating to the following versions: iOS 12, macOS Mojave 10.14, tvOS 12, and watchOS 5. Apple released these updates in September 2018. No workarounds are documented. Users should apply the updates promptly. [1][2][3][4]
- About the security content of macOS Mojave 10.14.1, Security Update 2018-002 High Sierra, Security Update 2018-005 Sierra - Apple Support
- About the security content of iOS 12 - Apple Support
- About the security content of macOS Mojave 10.14 - Apple Support
- About the security content of tvOS 12 - Apple Support
AI Insight generated on May 26, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
5- Range: <10.14
- Range: <12
- Range: <5
- Range: <12
- Range: Versions prior to: iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
5- support.apple.com/kb/HT209106mitrex_refsource_MISC
- support.apple.com/kb/HT209107mitrex_refsource_MISC
- support.apple.com/kb/HT209108mitrex_refsource_MISC
- support.apple.com/kb/HT209139mitrex_refsource_MISC
- support.apple.com/kb/HT209193mitrex_refsource_MISC
News mentions
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