CVE-2026-39929

HIGH

Lakeside SysTrack Agent LsiAgent.exe Out-of-Bounds Read via UDP

Title source: cna
STIX 2.1

Description

Lakeside SysTrack Agent versions prior to 11.2.1.28, 11.3.0.38, 11.4.0.24, 11.5.0.15 contain an out-of-bounds read vulnerability in the Command ID 30 UDP packet handler that allows remote attackers to crash the application by sending a specially crafted UDP packet. Attackers can send a malformed packet with an invalid memory address at offset 0x4 in the payload to trigger an access violation and cause a denial of service.

References (5)

Core 5

Scores

CVSS v3 7.5
EPSS 0.0140
EPSS Percentile 68.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-125 CWE-754
Status published
Products (4)
Lakeside Software, LLC./SysTrack Agent < 11.2.1.28
Lakeside Software, LLC./SysTrack Agent 11.3.0.xxx - 11.3.0.38
Lakeside Software, LLC./SysTrack Agent 11.4.0.xxx - 11.4.0.24
Lakeside Software, LLC./SysTrack Agent 11.5.0.xxx - 11.5.0.15
Published May 28, 2026
Tracked Since May 29, 2026