========================================================================== 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
Summary:
Several security issues were fixed in graphviz.
Software Description:
- graphviz: rich set of graph drawing tools
Details:
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.
(CVE-2020-18032)
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.
References:
https://ubuntu.com/security/notices/USN-5264-1
CVE-2018-10196, CVE-2019-11023, CVE-2020-18032
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