{"id":"CVE-2018-18661","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-18661","generatedAt":"2026-10-28T20:27:35.740Z","title":"An issue was discovered in LibTIFF 4.0.9.","description":"An issue was discovered in LibTIFF 4.0.9. There is a NULL pointer dereference in the function LZWDecode in the file tif_lzw.c.","published":"2018-10-26T14:29:03.000Z","lastModified":"2026-06-17T01:47:40.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","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"},"cwe":["CWE-476"],"affected":["libtiff/libtiff","canonical/ubuntu linux"],"epss":{"score":0.0287,"percentile":0.86724,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (2.87%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://bugzilla.maptools.org/show_bug.cgi?id=2819","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/105762","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:2053","source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2019/11/msg00027.html","source":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/3864-1/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://bugzilla.maptools.org/show_bug.cgi?id=2819","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/105762","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:2053","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2019/11/msg00027.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/3864-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-18661","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."}