{"id":"CVE-2019-6502","aliases":["ALPINE-CVE-2019-6502","BELL-CVE-2019-6502","DEBIAN-CVE-2019-6502","DLA-3463-1","EUVD-2019-16061","GHSA-wfg8-cwx5-w8xc","MGASA-2020-0026","SUSE-SU-2020:3133-1","SUSE-SU-2022:1041-1","SUSE-SU-2022:4196-1","UBUNTU-CVE-2019-6502","openSUSE-SU-2024:11123-1"],"status":"published","title":"sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a...","description":"sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from 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Advisory","report"]},{"url":"http://www.openwall.com/lists/oss-security/2019/12/29/1","tags":["mailing-list","x_transferred","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html","tags":["mailing-list","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-6502"},{"url":"https://github.com/advisories/GHSA-wfg8-cwx5-w8xc"},{"url":"https://security.alpinelinux.org/vuln/CVE-2019-6502","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2019-6502","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-6502","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0026.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=25975","tags":["report"]},{"url":"https://github.com/OpenSC/OpenSC/releases/tag/0.20.0","tags":["web"]},{"url":"https://www.openwall.com/lists/oss-security/2019/12/29/1","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203133-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1122756","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2019-6502","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20221041-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1114649","tags":["report"]},{"url":"https://bugzilla.suse.com/1149746","tags":["report"]},{"url":"https://bugzilla.suse.com/1149747","tags":["report"]},{"url":"https://bugzilla.suse.com/1158256","tags":["report"]},{"url":"https://bugzilla.suse.com/1158305","tags":["report"]},{"url":"https://bugzilla.suse.com/1170809","tags":["report"]},{"url":"https://bugzilla.suse.com/1177364","tags":["report"]},{"url":"https://bugzilla.suse.com/1177378","tags":["report"]},{"url":"https://bugzilla.suse.com/1177380","tags":["report"]},{"url":"https://bugzilla.suse.com/1191957","tags":["report"]},{"url":"https://bugzilla.suse.com/1191992","tags":["report"]},{"url":"https://bugzilla.suse.com/1192000","tags":["report"]},{"url":"https://bugzilla.suse.com/1192005","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2019-15945","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-15946","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-19479","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-19481","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20792","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-26570","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-26571","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-26572","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-42779","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-42780","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-42781","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-42782","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20224196-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-6502","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-6502","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2008-2235","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16391","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16392","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16393","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16418","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16419","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16420","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16421","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16422","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16423","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16424","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16425","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16426","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16427","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-19480","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2019-6502","description":"sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from eidenv.","status":"published","published":"2019-01-22T00:00:00Z","modified":"2024-08-04T20:23:21.292Z","updated_at":"2026-11-02T14:20:23.381621Z"}],"euvd":[{"id":"EUVD-2019-16061","description":"sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from eidenv.","status":"published","published":"2019-01-22T00:00:00Z","modified":"2024-08-04T20:23:21Z","updated_at":"2026-11-03T03:06:49.204502Z"}],"ghsa":[{"id":"GHSA-wfg8-cwx5-w8xc","title":"sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a...","description":"sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from eidenv.","status":"published","published":"2022-05-13T01:22:42Z","modified":"2023-06-21T03:30:17Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:54:38.89081Z"}],"nvd":[{"id":"CVE-2019-6502","description":"sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from eidenv.","status":"published","published":"2019-01-22T08:29:00.2Z","modified":"2026-06-17T02:39:09.14Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:05:02.989216Z"}],"osv":[{"id":"ALPINE-CVE-2019-6502","description":"sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from eidenv.","status":"published","published":"2019-01-22T08:29:00.2Z","modified":"2026-11-03T06:32:18.204738075Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T07:17:57.723967Z"},{"id":"BELL-CVE-2019-6502","title":"CVE-2019-6502 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:13:33.286087Z","modified":"2026-01-26T09:49:25.472501Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:15.340685Z"},{"id":"CVE-2019-6502","description":"sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from eidenv.","status":"published","published":"2019-01-22T08:29:00.2Z","modified":"2026-10-20T10:52:44.950200894Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:12.675558Z"},{"id":"DEBIAN-CVE-2019-6502","description":"sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from eidenv.","status":"published","published":"2019-01-22T08:29:00.2Z","modified":"2026-09-21T07:03:22.826622002Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:32.57265Z"},{"id":"UBUNTU-CVE-2019-6502","description":"sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from eidenv.","status":"published","published":"2019-01-22T08:29:00Z","modified":"2025-09-08T16:45:16Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:21.741399Z"},{"id":"DLA-3463-1","title":"opensc - security update","status":"published","published":"2023-06-21T00:00:00Z","modified":"2026-03-09T01:21:14.190295Z","updated_at":"2026-11-02T15:46:11.734021Z"},{"id":"MGASA-2020-0026","title":"Updated opensc packages fix security vulnerability","description":"Updated opensc packages fix security vulnerabilities:\n\nsc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory\nleak, as demonstrated by a call from eidenv (CVE-2019-6502).\n\nOpenSC before 0.20.0-rc1 has an out-of-bounds access of an ASN.1 Bitstring\nin decode_bit_string in libopensc/asn1.c (CVE-2019-15945).\n\nOpenSC before 0.20.0-rc1 has an out-of-bounds access of an ASN.1 Octet\nstring in asn1_decode_entry in libopensc/asn1.c (CVE-2019-15946).\n\nAn issue was discovered in OpenSC through 0.19.0 and 0.20.x through\n0.20.0-rc3. libopensc/card-setcos.c has an incorrect read operation during\nparsing of a SETCOS file attribute (CVE-2019-19479).\n\nAn issue was discovered in OpenSC through 0.19.0 and 0.20.x through\n0.20.0-rc3. libopensc/pkcs15-prkey.c has an incorrect free operation in\nsc_pkcs15_decode_prkdf_entry (CVE-2019-19480).\n\nAn issue was discovered in OpenSC through 0.19.0 and 0.20.x through\n0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC\ncertificates (CVE-2019-19481).\n\nThe opensc package has been updated to version 0.20.0, which has fixes for\nthese issues and other improvements.\n","status":"published","published":"2020-01-07T21:19:56Z","modified":"2026-04-16T04:41:30.933605217Z","updated_at":"2026-11-02T15:49:41.151324Z"},{"id":"openSUSE-SU-2024:11123-1","title":"opensc-0.21.0-2.2 on GA media","description":"These are all security issues fixed in the opensc-0.21.0-2.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:38:24.392177Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"SUSE-SU-2020:3133-1","title":"Security update for opensc","description":"This update for opensc fixes the following issues:\n\nSecurity issue fixed:\n\n- CVE-2019-6502: Fixed a memory leak in sc_context_create() (bsc#1122756).\n","status":"published","published":"2020-11-03T11:11:44Z","modified":"2026-02-04T02:25:04.485674Z","updated_at":"2026-11-02T15:53:48.11786Z"},{"id":"SUSE-SU-2022:1041-1","title":"Security update for opensc","description":"This update for opensc fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2021-42780: Fixed use after return in insert_pin() (bsc#1192005).\n- CVE-2021-42779: Fixed use after free in sc_file_valid() (bsc#1191992).\n- CVE-2021-42781: Fixed multiple heap buffer overflows in pkcs15-oberthur.c (bsc#1192000).\n- CVE-2021-42782: Stack buffer overflow issues in various places (bsc#1191957).\n- CVE-2019-6502: Fixed a memory leak in sc_context_create() (bsc#1122756).\n- CVE-2020-26570: Fixed a heap based buffer overflow in sc_oberthur_read_file (bsc#1177364).\n- CVE-2020-26572: Prevent out of bounds write (bsc#1177378)\n- CVE-2020-26571: gemsafe GPK smart card software driver stack-based buffer overflow (bsc#1177380)\n- CVE-2019-15946: out-of-bounds access of an ASN.1 Octet string in asn1_decode_entry (bsc#1149747)\n- CVE-2019-19479: incorrect read operation during parsing of a SETCOS file attribute (bsc#1158256)\n- CVE-2019-15945: Fixed an out-of-bounds access of an ASN.1 Bitstring in decode_bit_string (bsc#1149746).\n- CVE-2019-19481: Fixed an improper handling of buffer limits for CAC certificates (bsc#1158305).\n- CVE-2019-20792: Fixed a double free in coolkey_free_private_data (bsc#1170809). \n\nNon-security issues fixed:\n\n- Fixes segmentation fault in 'pkcs11-tool.c'. (bsc#1114649)\n","status":"published","published":"2022-03-30T13:25:11Z","modified":"2026-02-04T03:02:40.711283Z","updated_at":"2026-11-02T15:53:50.066806Z"},{"id":"SUSE-SU-2022:4196-1","title":"Security update for opensc","description":"This update for opensc fixes the following issues:\n\n- CVE-2019-6502: Fixed memory leak in sc_context_create in ctx.c (bsc#1122756).\n\n","status":"published","published":"2022-11-23T11:56:46Z","modified":"2026-02-04T03:00:13.672985Z","updated_at":"2026-11-02T15:53:51.440565Z"}]}}