CVE-2020-25412
gnuplot: out-of-bounds-write from strncpy() may lead to arbitrary code execution
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 16, 2020
Updated · November 21, 2025
Description
A flaw was found in gnuplot. An execution path from com_line() in command.c results in strncpy() being called with an incorrect length, causing an out-of-bounds write. A local attacker could exploit this flaw by passing a specially crafted input file to gnuplot. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Statement
gnuplot as shipped with Red Hat Enterprise Linux 5, 6, 7, and 8 is not affected because the vulnerable code was introduced in a subsequent version of gnuplot.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-125 · Out-of-bounds Read