CVE-2019-8555
Description
A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Mojave 10.14.4. A malicious application may be able to execute arbitrary code with kernel privileges.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
A buffer overflow in macOS Mojave 10.14.3 and earlier allows a malicious application to execute arbitrary code with kernel privileges.
Vulnerability
A buffer overflow exists in macOS Mojave 10.14.3 and earlier, addressed with improved size validation in macOS Mojave 10.14.4 [1]. The vulnerability can be triggered by a malicious application running on the system.
Exploitation
An attacker must have the ability to run a malicious application on the target macOS system. No additional authentication or user interaction beyond launching the app is required.
Impact
Successful exploitation allows the malicious application to execute arbitrary code with kernel privileges, leading to full compromise of the system.
Mitigation
Update to macOS Mojave 10.14.4 or later [1]. No workaround is available.
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
2- Range: <10.14.4
- Range: unspecified
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- support.apple.com/HT209600mitrex_refsource_MISC
News mentions
0No linked articles in our index yet.