CVE-2019-3633
CWE-119Published: August 21, 2019· Updated: Jun 17, 2026
Official Description
Buffer overflow in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3.2.8 allows local user to cause the Windows operating system to "blue screen" via a carefully constructed message sent to DLPe which bypasses DLPe internal checks and results in DLPe reading unallocated memory.
Technical Analysis
CVE-2019-3633 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.
From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Related CVEs (CWE-119)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-3633 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts