Vulnerability Database

308,485

Total vulnerabilities in the database

CVE-2023-26793

libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c.

  • Published: May 1, 2024
  • Updated: Nov 16, 2025
  • CVE: CVE-2023-26793
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWEs:

Software From Fixed in
libmodbus / libmodbus 3.1.10 3.1.10.x