CVE-2018-19491
7.8 · HIGHOverview
CVE-2018-19491 is a high-severity vulnerability affecting gnuplot gnuplot. It was published on November 23, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
An issue was discovered in post.trm in Gnuplot 5.2.5. This issue allows an attacker to conduct a buffer overflow with an arbitrary amount of data in the PS_options function. This flaw is caused by a missing size check of an argument passed to the "set font" function. This issue occurs when the Gnuplot postscript terminal is used as a backend.
Remediation
Check the references section for vendor advisories and patches from gnuplot. Update gnuplot to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2018-19491?
CVE-2018-19491 is a high-severity vulnerability affecting gnuplot gnuplot. It was published on November 23, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).
How severe is CVE-2018-19491?
This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-19491?
Check the references section for vendor advisories and patches from gnuplot. Update gnuplot to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-19491?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-19491 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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