CVE-2026-39929

high

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

https://www.vulncheck.com/advisories/lakeside-systrack-agent-lsiagent-exe-out-of-bounds-read-via-udp

https://documentation.lakesidesoftware.com/docs/1150xxx-hotfix-agent-release-notes

https://documentation.lakesidesoftware.com/docs/1140xxx-hotfix-agent-release-notes

https://documentation.lakesidesoftware.com/docs/1130xxx-hotfix-agent-release-notes

https://documentation.lakesidesoftware.com/docs/112128-hotfix-agent-release-notes

Details

Source: Mitre, NVD

Published: 2026-05-28

Updated: 2026-05-28

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00115