{"id":"CVE-2019-19907","aliases":["DLA-3354-1","EUVD-2019-9499","GHSA-gv67-8fcc-5q6q","UBUNTU-CVE-2019-19907","USN-6876-1"],"status":"published","title":"HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of...","description":"HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of-bounds access, as demonstrated by mishandling of an array copy during parsing of ICal data.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02192,"percentile":0.82567,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-120"],"published":"2019-12-19T00:00:00Z","modified":"2026-06-17T02:27:25Z","fixes":[{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"kopanocore","fixed_in":["8.5.5-0ubuntu1+esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:10","package":"kopanocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7.0-3+deb10u1"}]}],"versions":["8.7.0-3"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"kopanocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.5.5-0ubuntu1+esm1"}]}],"versions":["8.1.0-3ubuntu5","8.1.0-3ubuntu6","8.3.4-4ubuntu4","8.5.2-1ubuntu1","8.5.5-0ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"kopanocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.5.5-0ubuntu1+esm1"}]}],"versions":["8.1.0-3ubuntu5","8.1.0-3ubuntu6","8.3.4-4ubuntu4","8.5.2-1ubuntu1","8.5.5-0ubuntu1"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"kopanocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7.0-7ubuntu1.1"}]}],"versions":["8.7.0-3build2","8.7.0-5ubuntu5","8.7.0-5ubuntu6","8.7.0-6ubuntu1","8.7.0-6ubuntu2","8.7.0-6ubuntu3","8.7.0-7ubuntu1"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"kopanocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7.0-7.1ubuntu10.1"}]}],"versions":["8.7.0-7.1ubuntu4","8.7.0-7.1ubuntu6","8.7.0-7.1ubuntu7","8.7.0-7.1ubuntu8","8.7.0-7.1ubuntu10"],"bundled":2}],"products":[{"vendor":"kopano","product":"groupware_core"}],"references":[{"url":"https://stash.kopano.io/projects/KC/repos/kopanocore/commits/4e02b420fff","tags":["x_transferred","Patch","report"]},{"url":"https://stash.kopano.io/projects/KC/repos/kopanocore/browse/RELNOTES.txt","tags":["x_transferred","Release Notes","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/03/msg00006.html","tags":["mailing-list","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-19907"},{"url":"https://github.com/advisories/GHSA-gv67-8fcc-5q6q"},{"url":"https://ubuntu.com/security/CVE-2019-19907","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-19907","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-6876-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-26562","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-19907","description":"HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of-bounds access, as demonstrated by mishandling of an array copy during parsing of ICal data.","status":"published","published":"2019-12-19T00:00:00Z","modified":"2024-08-05T02:32:09.31Z","updated_at":"2026-11-02T14:20:21.059499Z"}],"euvd":[{"id":"EUVD-2019-9499","description":"HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of-bounds access, as demonstrated by mishandling of an array copy during parsing of ICal data.","status":"published","published":"2019-12-19T00:00:00Z","modified":"2024-08-05T02:32:09Z","updated_at":"2026-11-03T02:40:23.78072Z"}],"ghsa":[{"id":"GHSA-gv67-8fcc-5q6q","title":"HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of...","description":"HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of-bounds access, as demonstrated by mishandling of an array copy during parsing of ICal data.","status":"published","published":"2022-05-24T17:04:46Z","modified":"2023-03-06T18:30:22Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:54:16.644116Z"}],"nvd":[{"id":"CVE-2019-19907","description":"HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of-bounds access, as demonstrated by mishandling of an array copy during parsing of ICal data.","status":"published","published":"2019-12-19T18:15:12.927Z","modified":"2026-06-17T02:27:25.853Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:05:40.856496Z"}],"osv":[{"id":"UBUNTU-CVE-2019-19907","description":"HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of-bounds access, as demonstrated by mishandling of an array copy during parsing of ICal data.","status":"published","published":"2019-12-19T18:15:00Z","modified":"2026-04-22T12:15:30.209574Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:21.213407Z"},{"id":"DLA-3354-1","title":"kopanocore - security update","status":"published","published":"2023-03-06T00:00:00Z","modified":"2026-03-09T01:19:53.352906Z","updated_at":"2026-11-02T15:46:11.734021Z"},{"id":"USN-6876-1","title":"kopanocore vulnerabilities","description":"It was discovered that Kopano Core allowed out-of-bounds access. An\nattacker could use this issue to expose private information. This issue\nonly affected Ubuntu 18.04 LTS. (CVE-2019-19907)\n\nIt was discovered that Kopano Core allowed possible authentication\nwith expired passwords. An attacker could use this issue to bypass\nauthentication. (CVE-2022-26562)\n","status":"published","published":"2024-07-04T16:25:18Z","modified":"2026-04-22T10:50:15.58163Z","updated_at":"2026-11-02T16:58:17.914523Z"}]}}