Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 492
Alerts This Week
Warning Icon 1 492

Ubuntu 20.04 ESM USN-5971-1 Critical: Graphviz Denial Of Service

ubuntu
Calendar Grey March 24, 2023
Scroller Ubuntu
Various flaws addressed in Graphviz for Ubuntu users to mitigate denial of service and security risks.
Several security issues were fixed in graphviz.

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. This issue only affected Ubuntu 18.04 LTS.

(CVE-2018-10196)

It was discovered that graphviz contains null pointer dereference

vulnerabilities. Exploitation via a specially crafted input file can cause

a denial of service. These issues only affected Ubuntu 14.04 ESM and Ubuntu

18.04 LTS. (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. These issues only

affected Ubuntu 14.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.

(CVE-2020-18032)

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow critical advisory ubuntu graphviz null pointer issue

Update Instructions

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

Ubuntu 20.04 ESM:
graphviz 2.42.2-3ubuntu0.1~esm1

Ubuntu 18.04 ESM:
graphviz 2.40.1-2ubuntu0.1~esm1

Ubuntu 14.04 ESM:
graphviz 2.36.0-0ubuntu3.2+esm1

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

References

https://ubuntu.com/security/notices/USN-5971-1

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

Severity
critical
Lowest
Low
Medium
High
Critical

March 24, 2023

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow critical advisory ubuntu graphviz null pointer issue

Package Information

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.