CVE-2022-1068

HIGH 7.5CVE-2022-1068 · Published 01/04/2022 · updated 17/06/2026

In short

CVE-2022-1068 is a HIGH (CVSS 7.5) vulnerability affecting modbus slave (modbustools).
Chance of exploitation in the next 30 days (EPSS): 0.96%, higher than 61.8% of all vulnerabilities.
Fix: update to 7.4.3 or later.

Package	Affected versions	Patched versions
modbus slave modbustools	`< 7.4.3`	`7.4.3`

Description

Modbus Tools Modbus Slave (versions 7.4.2 and prior) is vulnerable to a stack-based buffer overflow in the registration field. This may cause the program to crash when a long character string is used.

References

cisa.gov/uscert/ics/advisories/icsa-22-088-04 · Patch

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