{"id":"CVE-2020-26570","details":"The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in sc_oberthur_read_file.","modified":"2026-04-16T04:33:09.814036731Z","published":"2020-10-06T02:15:12.990Z","related":["ALSA-2021:1600","SUSE-SU-2021:0998-1","SUSE-SU-2021:1168-1","SUSE-SU-2022:1041-1","openSUSE-SU-2021:0565-1","openSUSE-SU-2024:11123-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/11/24/4"},{"type":"ADVISORY","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24316"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html"},{"type":"FIX","url":"https://github.com/OpenSC/OpenSC/commit/6903aebfddc466d966c7b865fae34572bf3ed23e"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/opensc/opensc","events":[{"introduced":"0"},{"last_affected":"45e29056ccde422e70ed3585084a7f150c632515"},{"fixed":"6903aebfddc466d966c7b865fae34572bf3ed23e"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"0.20.0"}]}}],"versions":["0.12.2","0.12.2-rc1","0.13.0","0.13.0pre1","0.13.0rc1","0.14.0","0.14.0rc2","0.14.0rtm","0.15.0","0.16.0","0.17.0","0.17.0-rc1","0.17.0-rc2","0.18.0","0.18.0-rc1","0.18.0-rc2","0.19.0","0.19.0-rc1","0.20.0","0.20.0-rc1","0.20.0-rc2","0.20.0-rc3","0.20.0-rc4","v0.12.2","v0.16.0-pre1"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26570.json","vanir_signatures_modified":"2026-04-11T11:23:29Z","vanir_signatures":[{"digest":{"threshold":0.9,"line_hashes":["296330052860174509237775165804406857386","244157986531433416436298344378663818487","208350302135471509131891751559514547061","247359544980144280440317914934986616952","273011554056298804416965627231405202824","9348176036366894479978468326619964069","279025798764699565876518821033943256156"]},"deprecated":false,"id":"CVE-2020-26570-084e85fd","signature_type":"Line","source":"https://github.com/opensc/opensc/commit/6903aebfddc466d966c7b865fae34572bf3ed23e","target":{"file":"src/libopensc/pkcs15-oberthur.c"},"signature_version":"v1"},{"digest":{"length":2637,"function_hash":"264061215140907092068901924200830202220"},"id":"CVE-2020-26570-d6b99868","deprecated":false,"signature_type":"Function","source":"https://github.com/opensc/opensc/commit/6903aebfddc466d966c7b865fae34572bf3ed23e","target":{"function":"sc_oberthur_read_file","file":"src/libopensc/pkcs15-oberthur.c"},"signature_version":"v1"}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}