{"id":"DEBIAN-CVE-2018-19491","details":"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.","modified":"2026-09-01T20:03:57.545043393Z","published":"2018-11-23T17:29:00.347Z","upstream":["CVE-2018-19491"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2018-19491"}],"affected":[{"package":{"name":"gnuplot","ecosystem":"Debian:12","purl":"pkg:deb/debian/gnuplot?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0+dfsg1-1"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-19491.json"}},{"package":{"name":"gnuplot","ecosystem":"Debian:13","purl":"pkg:deb/debian/gnuplot?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0+dfsg1-1"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-19491.json"}},{"package":{"name":"gnuplot","ecosystem":"Debian:14","purl":"pkg:deb/debian/gnuplot?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0+dfsg1-1"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-19491.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}