{"action":"Upgrade opensc to 0.19.0~rc1-1 or later.","affected":[{"fixed":"0.19.0~rc1-1","introduced":"0"}],"component":"opensc","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["0.19.0~rc1-1"],"id":"tcs_01M5ND4CVZR984P5YBE1ZFMYTV","modified_at":"2026-10-23T18:03:00.377584093Z","published_at":"2018-09-04T00:29:00.653Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-16421","https://security-tracker.debian.org/tracker/CVE-2018-16421"],"severity":{"label":"medium","score":6.6},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-16421#Debian:13/opensc","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-16421"}],"summary":"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 sm"}