Ubuntu Security Notice 5173-1 - It was discovered that libmodbus incorrectly handled inputs. An attacker could possibly use this issue to cause a denial of service or other unspecified impact.
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Ubuntu Security Notice USN-5173-1
December 06, 2021
libmodbus vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
Summary:
libmodbus could be made to crash if it received specially crafted
input.
Software Description:
- libmodbus: Library to send/receive data according to the Modbus protocol
Details:
It was discovered that libmodbus incorrectly handled inputs. An attacker
could possibly use this issue to cause a denial of service or other
unspecified impact.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS:
libmodbus5 3.0.6-2+deb9u1build0.18.04.1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5173-1
CVE-2019-14462, CVE-2019-14463
Package Information:
https://launchpad.net/ubuntu/+source/libmodbus/3.0.6-2+deb9u1build0.18.04.1