What’s Vulnerable › Vulnerabilities
CVE-2018-19491
- Severity: high (CVSS 7.8 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.8% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2018-11-23 · updated 2026-06-17
- Weakness: CWE-119
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.
Affected products
- Debian Linux: 8.0
- Gnuplot: 5.2.5
- openSUSE Leap: 15.0
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00066.html
- https://lists.debian.org/debian-lts-announce/2018/11/msg00031.html
- https://lists.debian.org/debian-lts-announce/2018/11/msg00035.html
- https://sourceforge.net/p/gnuplot/bugs/2094/
- https://sourceforge.net/p/gnuplot/gnuplot-main/ci/d5020716834582b20a5e12cdd49f39ee4f9dd949/
- https://usn.ubuntu.com/4541-1/
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00066.html
- https://lists.debian.org/debian-lts-announce/2018/11/msg00031.html
- https://lists.debian.org/debian-lts-announce/2018/11/msg00035.html
- https://sourceforge.net/p/gnuplot/bugs/2094/
- https://sourceforge.net/p/gnuplot/gnuplot-main/ci/d5020716834582b20a5e12cdd49f39ee4f9dd949/
- https://usn.ubuntu.com/4541-1/
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