{"id":"CVE-2016-9584","aliases":["DEBIAN-CVE-2016-9584","DLA-959-1","EUVD-2016-10390","GHSA-hcxq-m379-hxr9","MGASA-2018-0021","SUSE-SU-2017:1989-1","SUSE-SU-2018:0119-1","UBUNTU-CVE-2016-9584","openSUSE-SU-2024:10947-1"],"status":"published","title":"libical allows remote attackers to cause a denial of service (use-after-free) and possibly read...","description":"libical allows remote attackers to cause a denial of service (use-after-free) and possibly read heap memory via a crafted ics file.","severity":{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02321,"percentile":0.83575,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2017-01-18T17:00:00Z","modified":"2026-10-24T10:30:17Z","fixes":[{"ecosystem":"Debian:12","package":"libical3","fixed_in":["3.0.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libical3","fixed_in":["3.0.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libical3","fixed_in":["3.0.1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libical3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libical3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libical3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.1-1"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.48-2+deb7u1"}]}],"versions":["0.48-2"],"bundled":2},{"source":"osv","ecosystem":"Mageia:5","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0-4.1.mga5"}]}],"bundled":3},{"source":"osv","ecosystem":"Mageia:6","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0-2.1.mga6"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP2","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1-16.3.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP3","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1-16.3.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1-16.3.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP2","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1-16.3.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP3","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1-16.3.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1-16.3.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP2","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1-16.3.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP3","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1-16.3.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1-16.3.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 11 SP4","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.43-1.10.6.1"}]}],"bundled":6},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP4","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.43-1.10.6.1"}]}],"bundled":6},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 11 SP4","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.43-1.10.6.1"}]}],"bundled":6},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.1-0ubuntu1","1.0.1-0ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libical","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0-0.5","2.0.0-0.5build1","2.0.0-1ubuntu1","2.0.0-4"]}],"products":[{"vendor":"libical_project","product":"libical"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2016/12/15/5","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","report"]},{"url":"http://www.securityfocus.com/bid/94948","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9584"},{"url":"https://github.com/advisories/GHSA-hcxq-m379-hxr9"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-9584","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2018-0021.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=21397","tags":["report"]},{"url":"https://lists.opensuse.org/opensuse-updates/2017-07/msg00108.html","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2017/suse-su-20171989-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1015964","tags":["report"]},{"url":"https://bugzilla.suse.com/1044995","tags":["report"]},{"url":"https://bugzilla.suse.com/986631","tags":["report"]},{"url":"https://bugzilla.suse.com/986639","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5824","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5827","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9584","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180119-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/986632","tags":["report"]},{"url":"https://bugzilla.suse.com/986642","tags":["report"]},{"url":"https://bugzilla.suse.com/986658","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5823","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5825","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5826","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2016-9584","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-9584","tags":["report"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2016-9584","description":"libical allows remote attackers to cause a denial of service (use-after-free) and possibly read heap memory via a crafted ics file.","status":"published","published":"2017-01-18T17:00:00Z","modified":"2024-08-06T02:59:02.277Z","updated_at":"2026-11-02T14:33:32.103757Z"}],"euvd":[{"id":"EUVD-2016-10390","description":"libical allows remote attackers to cause a denial of service (use-after-free) and possibly read heap memory via a crafted ics file.","status":"published","published":"2017-01-18T17:00:00Z","modified":"2024-08-06T02:59:02Z","updated_at":"2026-11-03T02:22:26.803486Z"}],"ghsa":[{"id":"GHSA-hcxq-m379-hxr9","title":"libical allows remote attackers to cause a denial of service (use-after-free) and possibly read...","description":"libical allows remote attackers to cause a denial of service (use-after-free) and possibly read heap memory via a crafted ics file.","status":"published","published":"2022-05-17T03:03:26Z","modified":"2023-01-27T05:07:16Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:43:05.498698Z"}],"nvd":[{"id":"CVE-2016-9584","description":"libical allows remote attackers to cause a denial of service (use-after-free) and possibly read heap memory via a crafted ics file.","status":"published","published":"2017-01-18T17:59:01.34Z","modified":"2026-06-17T00:56:17.293Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:03:33.686843Z"}],"osv":[{"id":"CVE-2016-9584","description":"libical allows remote attackers to cause a denial of service (use-after-free) and possibly read heap memory via a crafted ics file.","status":"published","published":"2017-01-18T17:59:01.34Z","modified":"2026-10-24T10:30:17.208889957Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:03.472693Z"},{"id":"DEBIAN-CVE-2016-9584","description":"libical allows remote attackers to cause a denial of service (use-after-free) and possibly read heap memory via a crafted ics file.","status":"published","published":"2017-01-18T17:59:01.34Z","modified":"2026-09-22T07:02:41.728126922Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:28.207321Z"},{"id":"UBUNTU-CVE-2016-9584","description":"libical allows remote attackers to cause a denial of service (use-after-free) and possibly read heap memory via a crafted ics file.","status":"published","published":"2017-01-18T17:59:00Z","modified":"2026-04-22T11:05:37.785783Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:13.356796Z"},{"id":"DLA-959-1","title":"libical - security update","status":"published","published":"2017-05-28T00:00:00Z","modified":"2026-03-09T02:11:36.461667Z","updated_at":"2026-11-02T15:46:13.584509Z"},{"id":"MGASA-2018-0021","title":"Updated libical packages fix security vulnerability","description":"libical 1.0 allows remote attackers to cause a denial of service\n(use-after-free) via a crafted ics file (CVE-2016-5824).\n\nThe icaltime_from_string function in libical 0.47 and 1.0 allows remote\nattackers to cause a denial of service (out-of-bounds heap read) via a\ncrafted string to the icalparser_parse_string function (CVE-2016-5827).\n\nlibical allows remote attackers to cause a denial of service\n(use-after-free) and possibly read heap memory via a crafted ics file\n(CVE-2016-9584).\n","status":"published","published":"2018-01-02T16:25:41Z","modified":"2026-04-16T06:26:04.226347193Z","updated_at":"2026-11-02T15:49:40.442238Z"},{"id":"openSUSE-SU-2024:10947-1","title":"libical-devel-3.0.10-1.4 on GA media","description":"These are all security issues fixed in the libical-devel-3.0.10-1.4 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:25:54.569878Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"SUSE-SU-2017:1989-1","title":"Security update for libical","description":"This update for libical fixes the following issues:\n\nSecurity issues fixed:\n- CVE-2016-5824: libical 1.0 allows remote attackers to cause a denial of service (use-after-free)\n  via a crafted ics file. (bsc#986639)\n- CVE-2016-5827: The icaltime_from_string function in libical 0.47 and 1.0 allows remote attackers\n  to cause a denial of service (out-of-bounds heap read) via a crafted string to the\n  icalparser_parse_string function. (bsc#986631)\n- CVE-2016-9584: libical allows remote attackers to cause a denial of service (use-after-free) and\n  possibly read heap memory via a crafted ics file. (bsc#1015964)\n\nBug fixes:\n- libical crashes while parsing timezones (bsc#1044995)\n","status":"published","published":"2017-07-28T08:44:03Z","modified":"2026-02-04T03:39:17.39026Z","updated_at":"2026-11-02T15:53:44.209561Z"},{"id":"SUSE-SU-2018:0119-1","title":"Recommended update for libical","description":"This update for libical fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2016-5823: The icalproperty_new_clone function in libical 0.47 and 1.0 allows remote\n  attackers to cause a denial of service (use-after-free) via a crafted ics file. (bnc#986632)\n- CVE-2016-5824: libical 1.0 allows remote attackers to cause a denial of service (use-after-free)\n  via a crafted ics file. (bsc#986639)\n- CVE-2016-5825: The icalparser_parse_string function in libical 0.47 and 1.0 allows remote\n  attackers to cause a denial of service (out-of-bounds heap read) via a crafted ics file.\n  (bsc#986642)\n- CVE-2016-5826: The parser_get_next_char function in libical 0.47 and 1.0 allows remote attackers\n  to cause a denial of service (out-of-bounds heap read) by crafting a string to the\n  icalparser_parse_string function. (bsc#986658)\n- CVE-2016-5827: The icaltime_from_string function in libical 0.47 and 1.0 allows remote attackers\n  to cause a denial of service (out-of-bounds heap read) via a crafted string to the\n  icalparser_parse_string function. (bsc#986631)\n- CVE-2016-9584: libical allows remote attackers to cause a denial of service (use-after-free) and\n  possibly read heap memory via a crafted ics file. (bnc#1015964)\n\nBug fixes:\n\n- libical crashes while parsing timezones (bsc#1044995)\n","status":"published","published":"2018-01-17T10:52:10Z","modified":"2026-02-04T02:55:20.160027Z","updated_at":"2026-11-02T15:53:44.594517Z"}]}}