{"id":"CVE-2018-19134","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-19134","generatedAt":"2026-10-29T00:38:38.234Z","title":"A specially crafted PostScript document could exploit this to crash Ghostscript or, possibly, execute arbitrary code in the context of the Ghostscript process.","description":"In Artifex Ghostscript through 9.25, the setpattern operator did not properly validate certain types. A specially crafted PostScript document could exploit this to crash Ghostscript or, possibly, execute arbitrary code in the context of the Ghostscript process. This is a type confusion issue because of failure to check whether the Implementation of a pattern dictionary was a structure type.","published":"2018-12-20T23:29:01.000Z","lastModified":"2026-06-17T01:48:51.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.8,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-704"],"affected":["artifex/ghostscript","debian/debian linux","redhat/enterprise linux desktop","redhat/enterprise linux server","redhat/enterprise linux server aus","redhat/enterprise linux server eus","redhat/enterprise linux workstation"],"epss":{"score":0.02873,"percentile":0.86749,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.0478,"percentile":0.91532},{"date":"2026-09-22","score":0.02873,"percentile":0.86218}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=693baf02152119af6e6afd30bb8ec76d14f84bbf","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/106278","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:3834","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://bugs.ghostscript.com/show_bug.cgi?id=700141","tags":["Issue Tracking","Permissions Required","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2018/12/msg00019.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.ghostscript.com/doc/9.26/News.htm","tags":["Release Notes"],"source":"cve@mitre.org"},{"url":"http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=693baf02152119af6e6afd30bb8ec76d14f84bbf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/106278","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:3834","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.ghostscript.com/show_bug.cgi?id=700141","tags":["Issue Tracking","Permissions Required","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2018/12/msg00019.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ghostscript.com/doc/9.26/News.htm","tags":["Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-19134","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}