{"schemaVersion":3,"id":"CVE-2019-19480","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/pkcs15-prkey.c has an incorrect free operation in sc_pkcs15_decode_prkdf_entry.","dates":{"published":"2019-12-01T22:37:18.000Z","modified":"2024-08-05T02:16:47.385Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":4.6,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":4.6,"severity":"medium","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":2.1,"severity":"low","vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00573,"percentile":0.46295,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00573},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00573,"percentile":0.46295}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00573,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00573,"percentile":0.46295}]},"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":[{"id":"REF_F32CE4BA91160904","name":"Exploit Reference (bugs.chromium.org)","source":"reference","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18478","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-672","name":"Operation on a Resource after Expiration or Release","description":"The product uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/672.html"}],"affected":[{"vendor":"opensc_project","product":"opensc","name":"opensc","label":"opensc","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 0.19.0","noFixRecorded":false,"fixedIn":null},{"text":"0.20.0:rc1","noFixRecorded":false,"fixedIn":null},{"text":"0.20.0:rc2","noFixRecorded":false,"fixedIn":null},{"text":"0.20.0:rc3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 0.19.0 | 0.20.0:rc1 | 0.20.0:rc2 | 0.20.0:rc3","eol":null,"hubHref":"/vendor/opensc_project/opensc"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/OpenSC/OpenSC/commit/6ce6152284c47ba9b1d4fe8ff9d2e6a3f5ee02c7","label":"github.com/OpenSC/OpenSC/commit/6ce6152284c47ba9b1d4fe8ff9d2e6a3f5ee02c7","hostname":"github.com","tags":["X Refsource MISC","Patch","Third Party Advisory"]},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18478","label":"bugs.chromium.org/p/oss-fuzz/issues/detail?id=18478","hostname":"bugs.chromium.org","tags":["X Refsource MISC","Exploit","Patch","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2019/12/29/1","label":"www.openwall.com/lists/oss-security/2019/12/29/1","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]}],"lineage":{"upstream":[],"downstream":["MGASA-2020-0026","OPENSUSE-SU-2021:0565-1","OPENSUSE-SU-2024:11123-1","SUSE-SU-2021:1168-1"],"duplicates":[],"related":["OPENSUSE-SU-2021:0565-1","OPENSUSE-SU-2024:11123-1","SUSE-SU-2021:1168-1"]},"timeline":[{"kind":"published","date":"2019-12-01T22:37:18.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T02:16:47.385Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":29,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T19:54:08.590Z","stale":false,"partial":false}}