CVE-2018-19492

HIGH

gnuplot - Buffer Overflow via Missing Size Check in cairotrm_options

Title source: llm
STIX 2.1

Description

An issue was discovered in cairo.trm in Gnuplot 5.2.5. This issue allows an attacker to conduct a buffer overflow with an arbitrary amount of data in the cairotrm_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 pngcairo terminal is used as a backend.

References (6)

Core 6
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/11/msg00035.html
Exploit, Third Party Advisory x_refsource_misc
https://sourceforge.net/p/gnuplot/bugs/2089/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/11/msg00031.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00066.html
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4541-1/

Scores

CVSS v3 7.8
EPSS 0.0022
EPSS Percentile 44.6%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (3)
debian/debian_linux 8.0
gnuplot/gnuplot 5.2.5
opensuse/leap 15.0
Published Nov 23, 2018
Tracked Since Feb 18, 2026