{"schemaVersion":3,"id":"USN-5281-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"opensc vulnerabilities\n\nIt was discovered that some OpenSC smart card drivers mishandled memory\nwhen performing certain decoding operations. An attacker could possibly\nuse this issue to cause a denial of service or other unspecified impact.\nThis issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 ESM.\n(CVE-2019-15945, CVE-2019-15946)\n\nIt was discovered that some OpenSC smart card drivers had buffer overflow\nvulnerabilities. An attacker could possibly use this issue to cause a\ndenial of service or other unspecified impact.\n(CVE-2020-26570, CVE-2020-26571, CVE-2020-26572)","dates":{"published":"2022-06-08T07:16:30.000Z","modified":"2026-06-25T13:31:01.001Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"opensc","name":"opensc","label":"opensc","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/opensc","purlType":"deb","versions":[{"text":"< 0.15.0-1ubuntu1+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 0.17.0-3ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 0.20.0-3ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.15.0-1ubuntu1+esm1 | < 0.17.0-3ubuntu0.1~esm1 | < 0.20.0-3ubuntu0.1~esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5281-1","label":"ubuntu.com/security/notices/USN-5281-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-15945","label":"ubuntu.com/security/CVE-2019-15945","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-15946","label":"ubuntu.com/security/CVE-2019-15946","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-26570","label":"ubuntu.com/security/CVE-2020-26570","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-26571","label":"ubuntu.com/security/CVE-2020-26571","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-26572","label":"ubuntu.com/security/CVE-2020-26572","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2019-15945","CVE-2019-15946","CVE-2020-26570","CVE-2020-26571","CVE-2020-26572"],"downstream":[],"duplicates":[],"related":["CVE-2019-15945","CVE-2019-15946","CVE-2020-26570","CVE-2020-26571","CVE-2020-26572"]},"timeline":[{"kind":"published","date":"2022-06-08T07:16:30.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:31:01.001Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T05:00:01.058Z","stale":false,"partial":false}}