CVE-2026-39929 PUBLISHED

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

Assigner: VulnCheck
Reserved: 07.04.2026 Published: 28.05.2026 Updated: 28.05.2026

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.

Metrics

CVSS 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
CVSS Score: 8.7

Product Status

Vendor Lakeside Software, LLC.
Product SysTrack Agent
Versions Default: affected
  • affected from 0 to 11.2.1.28 (excl.)
  • affected from 11.3.0.xxx to 11.3.0.38 (excl.)
  • affected from 11.4.0.xxx to 11.4.0.24 (excl.)
  • affected from 11.5.0.xxx to 11.5.0.15 (excl.)

Credits

  • Austin A. DeFrancesco (DefCesco) finder
  • VulnCheck finder

References

Problem Types

  • Out-of-bounds Read CWE
  • Improper Check for Unusual or Exceptional Conditions CWE