[USN-5264-1] Graphviz vulnerabilities

Ian Constantin ian.constantin at canonical.com
Thu Feb 3 20:55:21 UTC 2022

Ubuntu Security Notice USN-5264-1
February 03, 2022

graphviz vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM


Several security issues were fixed in graphviz.

Software Description:
- graphviz: rich set of graph drawing tools


It was discovered that graphviz contains null pointer dereference
vulnerabilities. Exploitation via a specially crafted input file
can cause a denial of service.
(CVE-2018-10196, CVE-2019-11023)

It was discovered that graphviz contains a buffer overflow
vulnerability. Exploitation via a specially crafted input file can cause
a denial of service or possibly allow for arbitrary code execution.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 ESM:
     graphviz                    2.38.0-12ubuntu2.1+esm1
     libcdt5                       2.38.0-12ubuntu2.1+esm1
     libcgraph6                 2.38.0-12ubuntu2.1+esm1
     libgvc6                      2.38.0-12ubuntu2.1+esm1
     libgvc6-plugins-gtk   2.38.0-12ubuntu2.1+esm1
     libgvpr2                    2.38.0-12ubuntu2.1+esm1
     libpathplan4             2.38.0-12ubuntu2.1+esm1
     libxdot4                    2.38.0-12ubuntu2.1+esm1

In general, a standard system update will make all the necessary changes.

     CVE-2018-10196, CVE-2019-11023, CVE-2020-18032
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