{"schemaVersion":3,"id":"CVE-2018-20189","aliases":["UBUNTU-CVE-2018-20189","DEBIAN-CVE-2018-20189"],"status":"published","duplicateOf":null,"title":null,"description":"In GraphicsMagick 1.3.31, the ReadDIBImage function of coders/dib.c has a vulnerability allowing a crash and denial of service via a dib file that is crafted to appear with direct pixel values and also colormapping (which is not available beyond 8-bits/sample), and therefore lacks indexes initialization.","dates":{"published":"2018-12-17T20:00:00.000Z","modified":"2024-08-05T11:58:18.393Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.5,"severity":"medium","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":6.5,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":6.5,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":7.2,"impact":6,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Debian","score":6.5,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":7.2,"impact":6,"computed":true}]},"epss":{"probability":0.02278,"percentile":0.82859,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.02278},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02377,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02278,"percentile":0.82859}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02377,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02278,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02278,"percentile":0.82859}]},"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":[{"id":"REF_9FBB3924CC336E01","name":"Exploit Reference (sourceforge.net)","source":"reference","url":"https://sourceforge.net/p/graphicsmagick/bugs/585/","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"debian","product":"graphicsmagick","name":"graphicsmagick","label":"graphicsmagick","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/graphicsmagick","purlType":"deb","versions":[{"text":"< 1.4~hg15873-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.4~hg15873-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"graphicsmagick","name":"graphicsmagick","label":"graphicsmagick","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/graphicsmagick","purlType":"deb","versions":[{"text":"< 1.3.18-1ubuntu3.1+esm8","noFixRecorded":false,"fixedIn":null},{"text":"< 1.3.23-1ubuntu0.6+esm2","noFixRecorded":false,"fixedIn":null},{"text":"< 1.3.28-2ubuntu0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.3.18-1ubuntu3.1+esm8 | < 1.3.23-1ubuntu0.6+esm2 | < 1.3.28-2ubuntu0.1","eol":null,"hubHref":null},{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"8.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"8.0","eol":{"isEol":true,"eolDate":"2020-06-30T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"8","label":"8 (Jessie)","eolFrom":"2020-06-30T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"8.11"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"graphicsmagick","product":"graphicsmagick","name":"graphicsmagick","label":"graphicsmagick","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.3.31","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.3.31","eol":null,"hubHref":"/vendor/graphicsmagick/graphicsmagick"}],"affectedCount":4,"eol":{"hasEol":true,"count":1},"references":[{"url":"http://www.securityfocus.com/bid/106227","label":"www.securityfocus.com/bid/106227","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"https://sourceforge.net/p/graphicsmagick/bugs/585/","label":"sourceforge.net/p/graphicsmagick/bugs/585/","hostname":"sourceforge.net","tags":["X Refsource MISC","Exploit","Third Party Advisory","REPORT"]},{"url":"http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e2b406589","label":"hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e2b406589","hostname":"hg.graphicsmagick.org","tags":["X Refsource MISC","Mailing List","Patch","Vendor Advisory","REPORT"]},{"url":"https://lists.debian.org/debian-lts-announce/2018/12/msg00018.html","label":"lists.debian.org/debian-lts-announce/2018/12/msg00018.html","hostname":"lists.debian.org","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"https://usn.ubuntu.com/4207-1/","label":"usn.ubuntu.com/4207-1/","hostname":"usn.ubuntu.com","tags":["Vendor Advisory","X Refsource UBUNTU"]},{"url":"https://www.debian.org/security/2020/dsa-4640","label":"www.debian.org/security/2020/dsa-4640","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN"]},{"url":"https://ubuntu.com/security/CVE-2018-20189","label":"ubuntu.com/security/CVE-2018-20189","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-4207-1","label":"ubuntu.com/security/notices/USN-4207-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/notices/USN-5974-1","label":"ubuntu.com/security/notices/USN-5974-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-20189","label":"www.cve.org/CVERecord?id=CVE-2018-20189","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-20189","label":"security-tracker.debian.org/tracker/CVE-2018-20189","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DLA-1619-1","MGASA-2019-0033","OPENSUSE-SU-2019:0003-1","USN-4207-1","USN-5974-1"],"duplicates":[],"related":["OPENSUSE-SU-2019:0003-1","USN-4207-1","USN-5974-1"]},"timeline":[{"kind":"published","date":"2018-12-17T20:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T11:58:18.393Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":36,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T22:57:54.411Z","stale":false,"partial":false}}