CVE-2018-4452
Description
A memory consumption issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.3, Security Update 2019-001 High Sierra, Security Update 2019-001 Sierra, macOS Mojave 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra. A malicious application may be able to execute arbitrary code with system privileges.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
A memory consumption issue in macOS allows a malicious application to execute arbitrary code with system privileges. Fixed in multiple macOS versions.
Vulnerability
CVE-2018-4452 is a memory consumption issue in macOS that can lead to arbitrary code execution with system privileges. The issue is present in versions prior to macOS Mojave 10.14.3, macOS Mojave 10.14.2, Security Update 2019-001 High Sierra, Security Update 2019-001 Sierra, Security Update 2018-003 High Sierra, and Security Update 2018-006 Sierra [1][2].
Exploitation
Exploitation requires a malicious application running locally on the system. No user interaction is needed beyond executing the application. The vulnerability can be triggered to achieve arbitrary code execution with system privileges [1].
Impact
Successful exploitation allows a malicious application to execute arbitrary code with system privileges, leading to full system compromise, including unauthorized access, data modification, and denial of service [1][2].
Mitigation
Apple has fixed this issue in macOS Mojave 10.14.3, macOS Mojave 10.14.2, Security Update 2019-001 High Sierra, Security Update 2019-001 Sierra, Security Update 2018-003 High Sierra, and Security Update 2018-006 Sierra [1][2]. Users should update to the latest available version. No workarounds are documented.
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
3- Range: <10.14.3
<10.14.3+ 1 more
- (no CPE)range: <10.14.3
- (no CPE)range: unspecified
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- support.apple.com/en-us/HT209341mitrex_refsource_MISC
- support.apple.com/en-us/HT209446mitrex_refsource_MISC
News mentions
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