{"schemaVersion":3,"id":"USN-4541-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"gnuplot vulnerabilities\n\nTim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars\ndiscovered that Gnuplot did not properly validate string sizes in the\ndf_generate_ascii_array_entry function. An attacker could possibly use\nthis issue to cause a heap buffer overflow, resulting in a denial of\nservice attack or arbitrary code execution. (CVE-2018-19490)\n\nTim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars\ndiscovered that Gnuplot did not properly validate string sizes in the\nPS_options function when the Gnuplot postscript terminal is used as a\nbackend. An attacker could possibly use this issue to cause a buffer\noverflow, resulting in a denial of service attack or arbitrary code\nexecution. (CVE-2018-19491)\n\nTim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars\ndiscovered that Gnuplot did not properly validate string sizes in the\ncairotrm_options function when the Gnuplot postscript terminal is used as\na backend. An attacker could possibly use this issue to cause a buffer\noverflow, resulting in a denial of service attack or arbitrary code\nexecution. (CVE-2018-19492)","dates":{"published":"2020-09-25T17:14:48.000Z","modified":"2026-04-27T15:42:41.404Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"gnuplot","name":"gnuplot","label":"gnuplot","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/gnuplot","purlType":"deb","versions":[{"text":"< 4.6.6-3ubuntu0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.6.6-3ubuntu0.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4541-1","label":"ubuntu.com/security/notices/USN-4541-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-19490","label":"ubuntu.com/security/CVE-2018-19490","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-19491","label":"ubuntu.com/security/CVE-2018-19491","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-19492","label":"ubuntu.com/security/CVE-2018-19492","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2018-19490","CVE-2018-19491","CVE-2018-19492"],"downstream":[],"duplicates":[],"related":["CVE-2018-19490","CVE-2018-19491","CVE-2018-19492"]},"timeline":[{"kind":"published","date":"2020-09-25T17:14:48.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-27T15:42:41.404Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T19:27:42.699Z","stale":false,"partial":false}}