{"id":"CVE-2020-24386","aliases":["ALPINE-CVE-2020-24386","ALSA-2021:1887","DEBIAN-CVE-2020-24386","DLA-2517-1","DSA-4825-1","EUVD-2020-17118","GHSA-jp3r-27f3-r855","MGASA-2021-0008","OESA-2021-1042","RHSA-2021:1887","SUSE-SU-2021:0018-1","SUSE-SU-2021:0027-1","SUSE-SU-2021:0028-1","SUSE-SU-2021:0029-1","UBUNTU-CVE-2020-24386","USN-4674-1","openSUSE-SU-2021:0026-1","openSUSE-SU-2021:0072-1","openSUSE-SU-2024:10726-1","openSUSE-SU-2025:14715-1"],"status":"published","title":"An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker...","description":"An issue was discovered in Dovecot before 2.3.13. 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15.2","package":"dovecot23","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.11.3-lp152.2.6.1"}]}],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Leap 15.1","package":"dovecot23","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.11.3-lp151.2.15.1"}]}],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"dovecot23","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.16-1.6"}]}],"bundled":22},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"dovecot24","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-1.1"}]}],"bundled":24}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"dovecot","product":"dovecot"},{"vendor":"fedoraproject","product":"fedora"}],"references":[{"url":"https://dovecot.org/security","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2021/01/04/4","tags":["x_refsource_CONFIRM","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://dovecot.org/pipermail/dovecot-news/2021-January/000450.html","tags":["x_refsource_CONFIRM","x_transferred","Mailing List","Vendor Advisory","advisory","web"]},{"url":"https://doc.dovecot.org/configuration_manual/hibernation/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://www.debian.org/security/2021/dsa-4825","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"http://seclists.org/fulldisclosure/2021/Jan/18","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"http://packetstormsecurity.com/files/160842/Dovecot-2.3.11.3-Access-Bypass.html","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://security.gentoo.org/glsa/202101-01","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24386","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/"},{"url":"https://github.com/advisories/GHSA-jp3r-27f3-r855"},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-24386","tags":["advisory"]},{"url":"https://vulners.com/cve/CVE-2020-24386","tags":["report"]},{"url":"https://vulners.com/cve/CVE-2020-25275","tags":["report"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-24386","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2021-0008.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=28012","tags":["report"]},{"url":"https://dovecot.org/pipermail/dovecot-news/2021-January/000451.html","tags":["web"]},{"url":"https://dovecot.org/pipermail/dovecot-news/2021-January/000448.html","tags":["web","article"]},{"url":"https://ubuntu.com/security/notices/USN-4674-1","tags":["advisory"]},{"url":"https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1042","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25275","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2021:1887","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1805947","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1888111","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1894418","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1912455","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1912460","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_1887.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-24386","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-24386","tags":["advisory","report"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-25275","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-25275","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20210018-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1180405","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-24386","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20210027-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1174920","tags":["report"]},{"url":"https://bugzilla.suse.com/1180406","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-12100","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25275","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20210028-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1174922","tags":["report"]},{"url":"https://bugzilla.suse.com/1174923","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-12673","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-12674","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20210029-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-24386","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-25275","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/GLBPVUTTVOKCDH7OSMVSVIQEI7TKHOMX/","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/DUR6FYAW4F7DJJAFNZ7FNLNEQNDU6ZEZ/","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2017-14461","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15130","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15132","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-10691","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11494","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11499","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11500","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-19722","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-3814","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-7524","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-10957","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-10958","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-10967","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-28200","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-7046","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-7957","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-29157","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-33515","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/KZSDCZ5LA6IHY7KXVSL6ULAJVP6OFT2M/","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2024-23184","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-23185","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-24386","description":"An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).","status":"published","published":"2021-01-04T16:25:43Z","modified":"2024-08-04T15:12:08.74Z","updated_at":"2026-11-02T14:35:54.468882Z"}],"euvd":[{"id":"EUVD-2020-17118","description":"An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).","status":"published","published":"2021-01-04T16:25:43Z","modified":"2024-08-04T15:12:08Z","updated_at":"2026-11-03T03:07:20.249898Z"}],"ghsa":[{"id":"GHSA-jp3r-27f3-r855","title":"An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker...","description":"An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).","status":"published","published":"2022-05-24T17:37:53Z","modified":"2023-01-31T05:02:10Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T14:48:12.466034Z"}],"nvd":[{"id":"CVE-2020-24386","description":"An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).","status":"published","published":"2021-01-04T17:15:13.867Z","modified":"2026-06-17T03:05:28.477Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:28.340168Z"}],"osv":[{"id":"ALPINE-CVE-2020-24386","description":"An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).","status":"published","published":"2021-01-04T17:15:13.867Z","modified":"2026-10-26T11:17:55.149187769Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:27:48.11886Z"},{"id":"CVE-2020-24386","description":"An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).","status":"published","published":"2021-01-04T17:15:13.867Z","modified":"2026-10-24T14:19:43.365787833Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:15.879068Z"},{"id":"DEBIAN-CVE-2020-24386","description":"An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).","status":"published","published":"2021-01-04T17:15:13.867Z","modified":"2026-10-26T12:01:02.458408229Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:33.729655Z"},{"id":"OESA-2021-1042","title":"dovecot security update","description":"\r\n\r\nSecurity Fix(es):\r\n\r\nDovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts.(CVE-2020-25275)\r\n\r\nAn issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).(CVE-2020-24386)","status":"published","published":"2021-03-05T11:04:16Z","modified":"2026-08-18T01:15:08.853486964Z","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":"2026-11-02T15:52:38.987987Z"},{"id":"RHSA-2021:1887","title":"Red Hat Security Advisory: dovecot security and bug fix update","status":"published","published":"2024-09-16T05:12:50Z","modified":"2026-06-26T12:22:28.163821113Z","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":"2026-11-02T15:53:08.071325Z"},{"id":"UBUNTU-CVE-2020-24386","description":"An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).","status":"published","published":"2021-01-04T12:00:00Z","modified":"2026-04-22T12:29:16.753328Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:23.905183Z"},{"id":"ALSA-2021:1887","title":"Moderate: dovecot security and bug fix update","description":"Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages. \n\nSecurity Fix(es):\n\n* dovecot: IMAP hibernation function allows mail access (CVE-2020-24386)\n\n* dovecot: Denial of service via mail MIME parsing (CVE-2020-25275)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","status":"published","published":"2021-05-18T06:19:41Z","modified":"2026-10-29T11:01:21.586872431Z","updated_at":"2026-11-02T15:27:51.196609Z"},{"id":"DLA-2517-1","title":"dovecot - security update","status":"published","published":"2021-01-05T00:00:00Z","modified":"2026-03-09T01:21:10.763119Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"DSA-4825-1","title":"dovecot - security update","status":"published","published":"2021-01-04T00:00:00Z","modified":"2026-03-09T02:11:02.958235Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"MGASA-2021-0008","title":"Updated dovecot packages fix security vulnerabilities","description":"It was discovered that Dovecot incorrectly handled certain imap hibernation\ncommands. A remote authenticated attacker could possibly use this issue to\naccess other users’ email (CVE-2020-24386).\n\nInnokentii Sennovskiy discovered that Dovecot incorrectly handled MIME\nparsing. A remote attacker could possibly use this issue to cause Dovecot\nto crash, resulting in a denial of service (CVE-2020-25275).\n\nThe dovecot package has been updated to version 2.3.13, fixing these issues\nand other bugs. See the upstream release announcement for details.\n","status":"published","published":"2021-01-08T13:59:29Z","modified":"2026-04-16T04:40:37.446838299Z","updated_at":"2026-11-02T15:49:41.509337Z"},{"id":"openSUSE-SU-2021:0026-1","title":"Security update for dovecot23","description":"This update for dovecot23 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2020-12100: Fixed a resource exhaustion caused by deeply nested MIME parts (bsc#1174920).\n- CVE-2020-24386: Fixed an issue with IMAP hibernation that allowed users to access other users' emails (bsc#1180405).\n- CVE-2020-25275: Fixed a crash when the 10000th MIME part was message/rfc822 (bsc#1180406).\n\nNon-security issues fixed:\n\n- Pigeonhole was updated to version 0.5.11.\n- Dovecot was updated to version 2.3.11.3.\n\nThis update was imported from the SUSE:SLE-15-SP1:Update update project.","status":"published","published":"2021-01-07T15:52:33Z","modified":"2026-02-04T02:15:34.355449Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"openSUSE-SU-2021:0072-1","title":"Security update for dovecot23","description":"This update for dovecot23 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2020-12100: Fixed a resource exhaustion caused by deeply nested MIME parts (bsc#1174920).\n- CVE-2020-24386: Fixed an issue with IMAP hibernation that allowed users to access other users' emails (bsc#1180405).\n- CVE-2020-25275: Fixed a crash when the 10000th MIME part was message/rfc822 (bsc#1180406).\n\nNon-security issues fixed:\n\n- Pigeonhole was updated to version 0.5.11.\n- Dovecot was updated to version 2.3.11.3.\n\nThis update was imported from the SUSE:SLE-15-SP1:Update update project.","status":"published","published":"2021-01-16T10:05:36Z","modified":"2025-05-07T18:11:21.104351Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"openSUSE-SU-2024:10726-1","title":"dovecot23-2.3.16-1.6 on GA media","description":"These are all security issues fixed in the dovecot23-2.3.16-1.6 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2025-05-07T18:09:35.541917Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"openSUSE-SU-2025:14715-1","title":"dovecot24-2.4.0-1.1 on GA media","description":"These are all security issues fixed in the dovecot24-2.4.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-01-30T00:00:00Z","modified":"2026-02-04T03:33:59.818366Z","updated_at":"2026-11-02T16:58:36.976155Z"},{"id":"SUSE-SU-2021:0018-1","title":"Security update for dovecot22","description":"This update for dovecot22 fixes the following issues:\n\n- CVE-2020-24386: Fixed an issue with IMAP hibernation that allowed users to access other users' emails (bsc#1180405).\n","status":"published","published":"2021-01-04T14:35:17Z","modified":"2026-02-04T02:45:55.629465Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2021:0027-1","title":"Security update for dovecot23","description":"This update for dovecot23 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2020-12100: Fixed a resource exhaustion caused by deeply nested MIME parts (bsc#1174920).\n- CVE-2020-24386: Fixed an issue with IMAP hibernation that allowed users to access other users' emails (bsc#1180405).\n- CVE-2020-25275: Fixed a crash when the 10000th MIME part was message/rfc822 (bsc#1180406).\n\nNon-security issues fixed:\n\n- Pigeonhole was updated to version 0.5.11.\n- Dovecot was updated to version 2.3.11.3.\n","status":"published","published":"2021-01-05T14:57:36Z","modified":"2026-02-04T03:51:55.132727Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2021:0028-1","title":"Security update for dovecot23","description":"This update for dovecot23 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2020-12100: Fixed a resource exhaustion caused by deeply nested MIME parts (bsc#1174920).\n- CVE-2020-12673: Fixed an improper implementation of NTLM that did not check the message buffer size (bsc#1174922).\n- CVE-2020-12674: Fixed an improper implementation of the RPA mechanism (bsc#1174923).\n- CVE-2020-24386: Fixed an issue with IMAP hibernation that allowed users to access other users' emails (bsc#1180405).\n- CVE-2020-25275: Fixed a crash when the 10000th MIME part was message/rfc822 (bsc#1180406).\n\nNon-security issues fixed:\n\n- Pigeonhole was updated to version 0.5.11.\n- Dovecot was updated to version 2.3.11.3.\n","status":"published","published":"2021-01-05T14:57:48Z","modified":"2026-02-04T03:42:29.96382Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2021:0029-1","title":"Security update for dovecot23","description":"This update for dovecot23 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2020-12100: Fixed a resource exhaustion caused by deeply nested MIME parts (bsc#1174920).\n- CVE-2020-24386: Fixed an issue with IMAP hibernation that allowed users to access other users' emails (bsc#1180405).\n- CVE-2020-25275: Fixed a crash when the 10000th MIME part was message/rfc822 (bsc#1180406).\n\nNon-security issues fixed:\n\n- Pigeonhole was updated to version 0.5.11.\n- Dovecot was updated to version 2.3.11.3.\n","status":"published","published":"2021-01-05T14:58:15Z","modified":"2026-02-04T02:37:15.356621Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"USN-4674-1","title":"dovecot vulnerabilities","description":"It was discovered that Dovecot incorrectly handled certain imap hibernation\ncommands. A remote authenticated attacker could possibly use this issue to\naccess other users' email. This issue only affected Ubuntu 18.04 LTS,\nUbuntu 20.04 LTS, and Ubuntu 20.10. (CVE-2020-24386)\n\nInnokentii Sennovskiy discovered that Dovecot incorrectly handled MIME\nparsing. A remote attacker could possibly use this issue to cause Dovecot\nto crash, resulting in a denial of service. (CVE-2020-25275)\n","status":"published","published":"2021-01-04T14:04:39Z","modified":"2026-04-22T10:10:11.712051Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}