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[USN-7773-1] Gnuplot vulnerabilities

Posted on 25 September 2025
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-7773-1
September 25, 2025

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

- Ubuntu 25.04
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Gnuplot.

Software Description:
- gnuplot: Portable command-line driven graphing utility

Details:

ChenYiFan Liu discovered that Gnuplot did not correctly handle certain
memory operations. An attacker could possibly use this issue to cause a
denial of service. (CVE-2025-3359, CVE-2025-31178, CVE-2025-31179,
CVE-2025-31181)

ChenYiFan Liu discovered that Gnuplot did not correctly handle certain
memory operations. An attacker could possibly use this issue to cause a
denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04
LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 25.04. (CVE-2025-31176,
CVE-2025-31180)

ChenYiFan Liu discovered that Gnuplot did not correctly handle certain
memory operations. An attacker could possibly use this issue to execute
arbitrary code or cause a denial of service. This issue only affected
Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS,
Ubuntu 25.04. (CVE-2025-31177)

Update instructions:

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

Ubuntu 25.04
gnuplot 6.0.2+dfsg1-1ubuntu0.1

Ubuntu 24.04 LTS
gnuplot 6.0.0+dfsg1-1ubuntu3+esm1
Available with Ubuntu Pro

Ubuntu 22.04 LTS
gnuplot 5.4.2+dfsg2-2ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 20.04 LTS
gnuplot 5.2.8+dfsg1-2ubuntu0.1~esm2
Available with Ubuntu Pro

Ubuntu 18.04 LTS
gnuplot 5.2.2+dfsg1-2ubuntu1+esm2
Available with Ubuntu Pro

Ubuntu 16.04 LTS
gnuplot 4.6.6-3ubuntu0.1+esm2
Available with Ubuntu Pro

Ubuntu 14.04 LTS
gnuplot 4.6.4-2ubuntu0.1~esm2
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-7773-1
CVE-2025-31176, CVE-2025-31177, CVE-2025-31178, CVE-2025-31179,
CVE-2025-31180, CVE-2025-31181, CVE-2025-3359

Package Information:
https://launchpad.net/ubuntu/+source/gnuplot/6.0.2+dfsg1-1ubuntu0.1

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