{"id":"UBUNTU-CVE-2021-42781","details":"Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c that could potentially crash programs using the library.","modified":"2026-02-04T03:54:40.814146Z","published":"2022-04-18T17:15:00Z","withdrawn":"2025-06-23T15:54:06Z","related":["CVE-2021-42781"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-42781"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-42781"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-42781"}],"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-2021-42781.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-2021-42781.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-2021-42781.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:L"}]}