{"id":"CVE-2018-16418","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-16418","generatedAt":"2026-10-28T21:22:46.143Z","title":"A buffer overflow when handling string concatenation in util_acl_to_str in tools/util.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have…","description":"A buffer overflow when handling string concatenation in util_acl_to_str in tools/util.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.","published":"2018-09-04T00:29:00.000Z","lastModified":"2026-06-17T01:44:15.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":6.6,"severity":"MEDIUM","vector":"CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["opensc project/opensc"],"epss":{"score":0.00692,"percentile":0.52681,"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 (0.69%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2019:2154","source":"cve@mitre.org"},{"url":"https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-628c8445c4e7ae92bbc4be08ba11a4c3","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1","tags":["Patch","Release Notes","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html","source":"cve@mitre.org"},{"url":"https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:2154","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-628c8445c4e7ae92bbc4be08ba11a4c3","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1","tags":["Patch","Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-16418","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."}