{"id":"UBUNTU-CVE-2019-19481","details":"An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.","modified":"2025-09-08T16:45:45Z","published":"2019-12-01T23:15:00Z","upstream":["CVE-2019-19481"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-19481"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18618"},{"type":"REPORT","url":"https://github.com/OpenSC/OpenSC/commit/b75c002cfb1fd61cd20ec938ff4937d7b1a94278"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-19481"}],"affected":[{"package":{"name":"opensc","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/opensc@0.17.0-3ubuntu0.1~esm3?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","0.17.0-3ubuntu0.1~esm2","0.17.0-3ubuntu0.1~esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"0.17.0-3ubuntu0.1~esm3","binary_name":"opensc"},{"binary_version":"0.17.0-3ubuntu0.1~esm3","binary_name":"opensc-pkcs11"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-19481.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}