{"id":"CVE-2018-16863","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-16863","generatedAt":"2026-10-29T03:02:57.705Z","title":"An attacker could possibly exploit another variant of the flaw and bypass the -dSAFER protection to, for example, execute arbitrary shell commands via a specially crafted PostScript document.","description":"It was found that RHSA-2018:2918 did not fully fix CVE-2018-16509. An attacker could possibly exploit another variant of the flaw and bypass the -dSAFER protection to, for example, execute arbitrary shell commands via a specially crafted PostScript document. This only affects ghostscript 9.07 as shipped with Red Hat Enterprise Linux 7.","published":"2018-12-03T17:29:00.000Z","lastModified":"2026-06-17T01:44:56.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","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-184","CWE-78"],"affected":["artifex/ghostscript","redhat/enterprise linux desktop","redhat/enterprise linux server","redhat/enterprise linux server aus","redhat/enterprise linux server eus","redhat/enterprise linux server tus","redhat/enterprise linux workstation"],"epss":{"score":0.01249,"percentile":0.69215,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.02278,"percentile":0.82182},{"date":"2026-09-22","score":0.01249,"percentile":0.68057}]},"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 (1.25%). 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=commit%3Bh=520bb0ea7519","source":"secalert@redhat.com"},{"url":"http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=5516c614dc33","source":"secalert@redhat.com"},{"url":"http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=78911a01b67d","source":"secalert@redhat.com"},{"url":"http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=79cccf641486","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2018:3761","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16863","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=520bb0ea7519","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=5516c614dc33","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=78911a01b67d","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=79cccf641486","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:3761","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16863","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-16863","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."}