CVE-2019-14462: Critical severity libmodbus vulnerability

Published Jul 31, 2019
·
Updated

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 MODBUSFCWRITEMULTIPLECOILS case, aka VD-1302.

Affected Software

5 affected components
libmodbus libmodbus<3.0.7
libmodbus libmodbus>=3.1.0<3.1.5
Fedoraproject Fedora=29
Fedoraproject Fedora=30
Debian Debian Linux=9.0

Event History

Jul 31, 2019
CVE Published
via MITRE·10:03 PM
Data Sourced
via MITRE·10:03 PM
Description

Frequently Asked Questions

1

What is CVE-2019-14462?

CVE-2019-14462 is a vulnerability in libmodbus before versions 3.0.7 and 3.1.x before version 3.1.5, which allows an out-of-bounds read.

2

How severe is CVE-2019-14462?

CVE-2019-14462 has a severity rating of 9.1 (critical).

3

Which software versions are affected by CVE-2019-14462?

CVE-2019-14462 affects libmodbus versions up to 3.0.7 and versions between 3.1.0 and 3.1.5.

4

How can I fix CVE-2019-14462?

To fix CVE-2019-14462, update libmodbus to version 3.0.7 or upgrade to a version between 3.1.0 and 3.1.5.

5

Are there any additional references for CVE-2019-14462?

Yes, you can find additional references for CVE-2019-14462 at the following links: [Reference 1](https://github.com/stephane/libmodbus/commit/5ccdf5ef79d742640355d1132fa9e2abc7fbaefc), [Reference 2](https://libmodbus.org/2019/stable-and-development-releases/), [Reference 3](https://lists.debian.org/debian-lts-announce/2021/11/msg00020.html).

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