{"id":"CVE-2016-5823","aliases":["EUVD-2016-6758","GHSA-rjf8-x65h-qc3m","SUSE-SU-2018:0119-1","UBUNTU-CVE-2016-5823"],"status":"published","title":"The icalproperty_new_clone function in libical 0.47 and 1.0 allows remote attackers to cause a...","description":"The icalproperty_new_clone function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics 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":"2026-11-08","score":0.01002,"percentile":0.63125,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2017-01-27T22:01:00Z","modified":"2026-10-24T10:31:02Z","affected":[{"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/2016/06/25/4","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://security.gentoo.org/glsa/201904-02","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-5823"},{"url":"https://github.com/advisories/GHSA-rjf8-x65h-qc3m"},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180119-1/","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/986632","tags":["report"]},{"url":"https://bugzilla.suse.com/986639","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-2016-5824","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://www.suse.com/security/cve/CVE-2016-5827","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9584","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2016-5823","tags":["report"]},{"url":"http://seclists.org/oss-sec/2016/q2/604","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-5823","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-5823","description":"The icalproperty_new_clone function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.","status":"published","published":"2017-01-27T22:01:00Z","modified":"2024-08-06T01:15:09.872Z","updated_at":"2026-11-02T14:33:30.767029Z"}],"euvd":[{"id":"EUVD-2016-6758","description":"The icalproperty_new_clone function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.","status":"published","published":"2017-01-27T22:01:00Z","modified":"2024-08-06T01:15:09Z","updated_at":"2026-11-03T02:22:41.580609Z"}],"ghsa":[{"id":"GHSA-rjf8-x65h-qc3m","title":"The icalproperty_new_clone function in libical 0.47 and 1.0 allows remote attackers to cause a...","description":"The icalproperty_new_clone function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.","status":"published","published":"2022-05-14T01:14:10Z","modified":"2023-02-02T05:03:31Z","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"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:51:39.380797Z"}],"nvd":[{"id":"CVE-2016-5823","description":"The icalproperty_new_clone function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.","status":"published","published":"2017-01-27T22:59:00.553Z","modified":"2026-06-17T00:50:05.647Z","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","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:03:35.029632Z"}],"osv":[{"id":"CVE-2016-5823","description":"The icalproperty_new_clone function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.","status":"published","published":"2017-01-27T22:59:00.553Z","modified":"2026-10-24T10:31:02.550732734Z","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":"2026-11-02T15:44:02.776224Z"},{"id":"UBUNTU-CVE-2016-5823","description":"The icalproperty_new_clone function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.","status":"published","published":"2017-01-27T22:59:00Z","modified":"2026-04-22T10:52:56.426383Z","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":"2026-11-02T15:54:12.642042Z"},{"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"}]}}