{"id":"UBUNTU-CVE-2021-34193","details":"Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.","modified":"2026-02-04T04:09:25.521020Z","published":"2023-08-22T19:16:00Z","withdrawn":"2025-06-23T15:54:03Z","related":["CVE-2021-34193"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-34193"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-34193"},{"type":"REPORT","url":"https://github.com/OpenSC/OpenSC/issues/2841"}],"affected":[{"package":{"name":"opensc","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/opensc@0.15.0-1ubuntu1+esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.15.0-1ubuntu1","0.15.0-1ubuntu1+esm1"],"ecosystem_specific":{"ubuntu_priority":"medium"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34193.json"}},{"package":{"name":"opensc","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/opensc@0.17.0-3ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.17.0-1","0.17.0-2","0.17.0-2build1","0.17.0-3","0.17.0-3ubuntu0.1~esm1"],"ecosystem_specific":{"ubuntu_priority":"medium"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34193.json"}},{"package":{"name":"opensc","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/opensc@0.20.0-3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.19.0-2","0.20.0-1","0.20.0-2","0.20.0-3"],"ecosystem_specific":{"ubuntu_priority":"medium"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34193.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}