{"id":"CVE-2018-1000654","aliases":["ALPINE-CVE-2018-1000654","BELL-CVE-2018-1000654","DEBIAN-CVE-2018-1000654","EUVD-2018-1985","GHSA-g69v-w5wh-rhwv","MGASA-2019-0359","SUSE-SU-2019:1372-1","SUSE-SU-2019:1372-2","SUSE-SU-2019:1379-1","SUSE-SU-2022:3797-1","UBUNTU-CVE-2018-1000654","USN-5352-1","openSUSE-SU-2019:1498-1","openSUSE-SU-2024:11001-1"],"status":"published","title":"GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically...","description":"GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01982,"percentile":0.80707,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2018-08-20T19:00:00Z","modified":"2026-10-23T18:03:53Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.7","package":"libtasn1","fixed_in":["4.12-r4"],"sources":["osv"]},{"ecosystem":"Alpine:v3.8","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.9","package":"libtasn1","fixed_in":["4.14-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"libtasn1-6","fixed_in":["4.14-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libtasn1-6","fixed_in":["4.14-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libtasn1-6","fixed_in":["4.14-2"],"sources":["osv"]},{"ecosystem":"Mageia:7","package":"libtasn1","fixed_in":["4.14-1.mga7"],"sources":["osv"]},{"ecosystem":"SUSE:Linux 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Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.","status":"published","published":"2018-08-20T19:00:00Z","modified":"2024-08-05T12:40:47.874Z","updated_at":"2026-11-02T14:35:10.685174Z"}],"euvd":[{"id":"EUVD-2018-1985","description":"GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. 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This attack appears to be exploitable via parsing a crafted file.","status":"published","published":"2018-08-20T19:31:44.87Z","modified":"2026-10-20T10:50:14.942893907Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:07.641418Z"},{"id":"DEBIAN-CVE-2018-1000654","description":"GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.","status":"published","published":"2018-08-20T19:31:44.87Z","modified":"2026-10-23T18:03:53.084498195Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:29.988046Z"},{"id":"UBUNTU-CVE-2018-1000654","description":"GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.","status":"published","published":"2018-08-20T19:31:00Z","modified":"2026-04-22T11:39:27.799743Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:16.544091Z"},{"id":"MGASA-2019-0359","title":"Updated libtasn1 packages fix security vulnerability","description":"Updated libtasn1 packages fix security vulnerability:\n\nDenial of service in asn1Parser (CVE-2018-1000654).\n","status":"published","published":"2019-12-06T14:15:42Z","modified":"2026-04-16T04:44:38.168712801Z","updated_at":"2026-11-02T15:49:41.151324Z"},{"id":"openSUSE-SU-2019:1498-1","title":"Security update for libtasn1","description":"This update for libtasn1 fixes the following issues:\n\nSecurity issue fixed:\n\n- CVE-2018-1000654: Fixed a denial of service in the asn1 parser (bsc#1105435).\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2019-06-03T05:50:40Z","modified":"2026-02-04T04:39:54.281278Z","updated_at":"2026-11-02T16:58:30.784344Z"},{"id":"openSUSE-SU-2024:11001-1","title":"libtasn1-6-32bit-4.17.0-1.2 on GA media","description":"These are all security issues fixed in the libtasn1-6-32bit-4.17.0-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:53:02.664232Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"SUSE-SU-2019:1372-1","title":"Security update for libtasn1","description":"This update for libtasn1 fixes the following issues:\n\nSecurity issue fixed:\n\n- CVE-2018-1000654: Fixed a denial of service in the asn1 parser (bsc#1105435).\n","status":"published","published":"2019-05-28T14:53:31Z","modified":"2026-02-04T03:42:50.855996Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:1372-2","title":"Security update for libtasn1","description":"This update for libtasn1 fixes the following issues:\n\nSecurity issue fixed:\n\n- CVE-2018-1000654: Fixed a denial of service in the asn1 parser (bsc#1105435).\n","status":"published","published":"2019-07-03T08:55:12Z","modified":"2026-02-04T04:06:22.284902Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:1379-1","title":"Security update for libtasn1","description":"This update for libtasn1 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-1000654: Fixed a denial of service in the asn1 parser (bsc#1105435).\n- CVE-2017-6891: Fixed a stack overflow in asn1_find_node() (bsc#1040621).\n","status":"published","published":"2019-05-29T13:07:20Z","modified":"2026-02-04T03:43:19.83941Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2022:3797-1","title":"Security update for libtasn1","description":"This update for libtasn1 fixes the following issues:\n\nSecurity issue fixed:\n\n- CVE-2018-1000654: Fixed a denial of service in the asn1 parser (bsc#1105435).\n- CVE-2017-6891: Added safety check to fix a stack overflow issue (bsc#1040621).\n- CVE-2021-46848: Fixed off-by-one array size check that affects asn1_encode_simple_der (bsc#1204690)\n","status":"published","published":"2022-10-27T12:34:13Z","modified":"2026-02-04T03:17:02.578255Z","updated_at":"2026-11-02T15:53:51.440565Z"},{"id":"USN-5352-1","title":"libtasn1-6 vulnerability","description":"It was discovered that Libtasn1 incorrectly handled certain files.\nAn attacker could possibly use this issue to cause a denial of service.\n","status":"published","published":"2022-03-28T18:59:21Z","modified":"2026-06-25T13:31:06.57799575Z","updated_at":"2026-11-02T16:58:15.683829Z"}]}}