{"id":"CVE-2020-16118","aliases":["DEBIAN-CVE-2020-16118","EUVD-2020-8084","GHSA-c2wx-fcx5-8pm2","UBUNTU-CVE-2020-16118","openSUSE-SU-2020:1207-1","openSUSE-SU-2020:1230-1"],"status":"published","title":"In GNOME Balsa before 2.6.0, a malicious server operator or man in the middle can trigger a NULL...","description":"In GNOME Balsa before 2.6.0, a malicious server operator or man in the middle can trigger a NULL pointer dereference and client crash by sending a PREAUTH response to imap_mbox_connect in libbalsa/imap/imap-handle.c.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.0205,"percentile":0.81517,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2020-07-29T17:58:51Z","modified":"2026-10-26T12:01:31Z","fixes":[{"ecosystem":"Debian:12","package":"balsa","fixed_in":["2.6.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"balsa","fixed_in":["2.6.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"balsa","fixed_in":["2.6.0-1"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 15.1","package":"balsa","fixed_in":["2.5.5-lp151.3.3.1"],"sources":["osv"]},{"ecosystem":"SUSE:Package Hub 15 SP1","package":"balsa","fixed_in":["2.5.5-bp151.4.3.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"balsa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"balsa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"balsa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.0-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"balsa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.12-1","2.4.12-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"balsa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.3-2build3","2.5.3-4"]},{"source":"osv","ecosystem":"openSUSE:Leap 15.1","package":"balsa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.5-lp151.3.3.1"}]}]},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP1","package":"balsa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.5-bp151.4.3.1"}]}]}],"products":[{"vendor":"gnome","product":"balsa"},{"vendor":"opensuse","product":"backports_sle"},{"vendor":"opensuse","product":"leap"}],"references":[{"url":"https://gitlab.gnome.org/GNOME/balsa/-/issues/23","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://gitlab.gnome.org/GNOME/balsa/-/commit/4e245d758e1c826a01080d40c22ca8706f0339e5","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00035.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00045.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-16118"},{"url":"https://github.com/advisories/GHSA-c2wx-fcx5-8pm2"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-16118","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-16118","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-16118","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/PF3MLKJQXZN2XT7FG3NKYQN3CATMOLIR/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1174711","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-16118","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/TLMB6UYCF5DG3PISE5IH2ZBW6RUI2RI3/","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-16118","description":"In GNOME Balsa before 2.6.0, a malicious server operator or man in the middle can trigger a NULL pointer dereference and client crash by sending a PREAUTH response to imap_mbox_connect in libbalsa/imap/imap-handle.c.","status":"published","published":"2020-07-29T17:58:51Z","modified":"2024-08-04T13:37:53.604Z","updated_at":"2026-11-02T14:35:59.116379Z"}],"euvd":[{"id":"EUVD-2020-8084","description":"In GNOME Balsa before 2.6.0, a malicious server operator or man in the middle can trigger a NULL pointer dereference and client crash by sending a PREAUTH response to imap_mbox_connect in libbalsa/imap/imap-handle.c.","status":"published","published":"2020-07-29T17:58:51Z","modified":"2024-08-04T13:37:53Z","updated_at":"2026-11-03T03:07:29.271552Z"}],"ghsa":[{"id":"GHSA-c2wx-fcx5-8pm2","title":"In GNOME Balsa before 2.6.0, a malicious server operator or man in the middle can trigger a NULL...","description":"In GNOME Balsa before 2.6.0, a malicious server operator or man in the middle can trigger a NULL pointer dereference and client crash by sending a PREAUTH response to imap_mbox_connect in libbalsa/imap/imap-handle.c.","status":"published","published":"2022-05-24T17:24:38Z","modified":"2023-02-03T18:30:33Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:53:57.970783Z"}],"nvd":[{"id":"CVE-2020-16118","description":"In GNOME Balsa before 2.6.0, a malicious server operator or man in the middle can trigger a NULL pointer dereference and client crash by sending a PREAUTH response to imap_mbox_connect in libbalsa/imap/imap-handle.c.","status":"published","published":"2020-07-29T18:15:15Z","modified":"2026-06-17T02:57:44.237Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/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-476"],"updated_at":"2026-11-02T14:06:10.994748Z"}],"osv":[{"id":"CVE-2020-16118","description":"In GNOME Balsa before 2.6.0, a malicious server operator or man in the middle can trigger a NULL pointer dereference and client crash by sending a PREAUTH response to imap_mbox_connect in libbalsa/imap/imap-handle.c.","status":"published","published":"2020-07-29T18:15:15Z","modified":"2026-10-20T13:52:01.293079612Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:14.828228Z"},{"id":"DEBIAN-CVE-2020-16118","description":"In GNOME Balsa before 2.6.0, a malicious server operator or man in the middle can trigger a NULL pointer dereference and client crash by sending a PREAUTH response to imap_mbox_connect in libbalsa/imap/imap-handle.c.","status":"published","published":"2020-07-29T18:15:15Z","modified":"2026-10-26T12:01:31.052943186Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:33.384087Z"},{"id":"UBUNTU-CVE-2020-16118","description":"In GNOME Balsa before 2.6.0, a malicious server operator or man in the middle can trigger a NULL pointer dereference and client crash by sending a PREAUTH response to imap_mbox_connect in libbalsa/imap/imap-handle.c.","status":"published","published":"2020-07-29T18:15:00Z","modified":"2025-10-24T04:48:38Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:23.344108Z"},{"id":"openSUSE-SU-2020:1207-1","title":"Security update for balsa","description":"This update for balsa fixes the following issues:\n\n- CVE-2020-16118: Fixed a NULL pointer dereference (boo#1174711).\n","status":"published","published":"2020-08-14T16:20:43Z","modified":"2026-02-04T03:24:44.668338Z","updated_at":"2026-11-02T16:58:31.517538Z"},{"id":"openSUSE-SU-2020:1230-1","title":"Security update for balsa","description":"This update for balsa fixes the following issues:\n\n- CVE-2020-16118: Fixed a NULL pointer dereference (boo#1174711).\n\nThis update was imported from the openSUSE:Leap:15.1:Update update project.","status":"published","published":"2020-08-18T04:18:25Z","modified":"2026-02-04T03:03:46.896351Z","updated_at":"2026-11-02T16:58:31.517538Z"}]}}