CVE-2019-14463: Critical severity libmodbus vulnerability
An issue was discovered in libmodbus before 3.0.7 and 3.1.x before 3.1.5. There is an out-of-bounds read for the MODBUSFCWRITEMULTIPLEREGISTERS case, aka VD-1301.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2019-14463?
CVE-2019-14463 is a vulnerability in libmodbus before version 3.0.7 and 3.1.x before 3.1.5 that allows an out-of-bounds read in the MODBUS_FC_WRITE_MULTIPLE_REGISTERS case.
What is the severity of CVE-2019-14463?
The severity of CVE-2019-14463 is critical with a CVSS score of 9.1.
How does CVE-2019-14463 affect libmodbus?
CVE-2019-14463 affects libmodbus versions before 3.0.7 and 3.1.x before 3.1.5, allowing an out-of-bounds read in the MODBUS_FC_WRITE_MULTIPLE_REGISTERS case.
How can I fix CVE-2019-14463?
To fix CVE-2019-14463, upgrade to libmodbus version 3.0.7 or higher for version 3.0.x, or upgrade to version 3.1.5 or higher for version 3.1.x.
Where can I find more information about CVE-2019-14463?
You can find more information about CVE-2019-14463 in the following references: [GitHub commit](https://github.com/stephane/libmodbus/commit/5ccdf5ef79d742640355d1132fa9e2abc7fbaefc), [libmodbus website](https://libmodbus.org/2019/stable-and-development-releases/), [Debian LTS announcement](https://lists.debian.org/debian-lts-announce/2021/11/msg00020.html).