{"id":"CVE-2018-16421","details":"Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.","modified":"2026-05-15T12:03:27.945720685Z","published":"2018-09-04T00:29:00.653Z","related":["SUSE-SU-2018:3629-1","openSUSE-SU-2024:11123-1"],"database_specific":{},"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2154"},{"type":"FIX","url":"https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-848b13147a344ba2c6361d91ca77feb1"},{"type":"FIX","url":"https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1"},{"type":"EVIDENCE","url":"https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}