{"id":"CVE-2018-6540","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-6540","generatedAt":"2026-10-28T21:16:06.036Z","title":"Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.","description":"In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address in the zzip_disk_findfirst function of zzip/mmapped.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.","published":"2018-02-02T09:29:00.000Z","lastModified":"2026-06-17T02:01:59.000Z","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":[],"affected":["gdraheim/zziplib","canonical/ubuntu linux"],"epss":{"score":0.02262,"percentile":0.829,"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 (2.26%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/gdraheim/zziplib/issues/15","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html","source":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/3699-1/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/gdraheim/zziplib/issues/15","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/3699-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-6540","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."}