{"id":"CVE-2020-25275","details":"Dovecot 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.","modified":"2026-03-19T12:40:38.365496Z","published":"2021-01-04T17:15:13.930Z","related":["ALSA-2021:1887","MGASA-2021-0008","SUSE-SU-2021:0027-1","SUSE-SU-2021:0028-1","SUSE-SU-2021:0029-1","openSUSE-SU-2021:0026-1","openSUSE-SU-2021:0072-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202101-01"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4825"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/160841/Dovecot-2.3.11.3-Denial-Of-Service.html"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2021/Jan/18"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/01/04/3"},{"type":"ADVISORY","url":"https://dovecot.org/pipermail/dovecot-news/2021-January/000451.html"},{"type":"ADVISORY","url":"https://dovecot.org/security"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dovecot/core","events":[{"introduced":"0"},{"fixed":"89f716dc2ec7362864a368d32533184b55fb7831"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"2.3.13"}]}}],"versions":["1.1.alpha1","1.1.alpha2","1.1.alpha4","1.1.alpha5","1.1.alpha6","1.1.beta1","1.1.beta10","1.1.beta11","1.1.beta12","1.1.beta13","1.1.beta14","1.1.beta16","1.1.beta2","1.1.beta3","1.1.beta4","1.1.beta5","1.1.beta6","1.1.beta8","1.1.beta9","1.1.rc1","1.1.rc2","1.1.rc3","1.1.rc4","1.1.rc5","1.1.rc6","1.1.rc7","1.1.rc8","1.2.alpha1","1.2.alpha2","1.2.alpha3","1.2.alpha4","1.2.alpha5","1.2.beta1","1.2.beta2","1.2.beta3","1.2.beta4","1.2.rc1","2.0.0","2.0.1","2.0.10","2.0.11","2.0.12","2.0.13","2.0.14","2.0.15","2.0.2","2.0.3","2.0.4","2.0.5","2.0.6","2.0.7","2.0.8","2.0.9","2.0.alpha1","2.0.alpha2","2.0.alpha3","2.0.beta1","2.0.beta2","2.0.beta3","2.0.beta4","2.0.beta5","2.0.beta6","2.0.rc1","2.0.rc2","2.0.rc3","2.0.rc4","2.0.rc5","2.0.rc6","2.1.0","2.1.1","2.1.10","2.1.11","2.1.12","2.1.13","2.1.14","2.1.15","2.1.16","2.1.2","2.1.3","2.1.4","2.1.5","2.1.6","2.1.7","2.1.8","2.1.9","2.1.alpha1","2.1.alpha2","2.1.beta1","2.1.rc1","2.1.rc2","2.1.rc3","2.1.rc4","2.1.rc5","2.1.rc6","2.1.rc7","2.2.0","2.2.1","2.2.10","2.2.11","2.2.12","2.2.13","2.2.13.rc1","2.2.14","2.2.14.rc1","2.2.15","2.2.16","2.2.16.rc1","2.2.17","2.2.17.rc1","2.2.17.rc2","2.2.18","2.2.19","2.2.19.rc1","2.2.19.rc2","2.2.2","2.2.20","2.2.20.rc1","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8","2.2.9","2.2.alpha1","2.2.beta1","2.2.beta2","2.2.rc1","2.2.rc2","2.2.rc3","2.2.rc4","2.2.rc5","2.2.rc6","2.2.rc7"],"database_specific":{"vanir_signatures":[{"deprecated":false,"id":"CVE-2020-25275-1be4ae17","source":"https://github.com/dovecot/core/commit/89f716dc2ec7362864a368d32533184b55fb7831","signature_type":"Line","digest":{"line_hashes":["296346974619418808234080801214954265765","1471052776949459769501067374191512796","217466864070258896560181252484983121032","121720010689383301941536457495250671877"],"threshold":0.9},"signature_version":"v1","target":{"file":"src/stats/client-writer.c"}},{"deprecated":false,"id":"CVE-2020-25275-21d7f377","source":"https://github.com/dovecot/core/commit/89f716dc2ec7362864a368d32533184b55fb7831","signature_type":"Function","digest":{"function_hash":"137596555788539951219949077210898227457","length":682},"signature_version":"v1","target":{"function":"writer_client_input_event_update","file":"src/stats/client-writer.c"}},{"deprecated":false,"id":"CVE-2020-25275-27cee2ac","source":"https://github.com/dovecot/core/commit/89f716dc2ec7362864a368d32533184b55fb7831","signature_type":"Function","digest":{"function_hash":"217181472971271504745876234057744284658","length":1234},"signature_version":"v1","target":{"function":"test_parent_update_post_send","file":"src/lib-master/test-event-stats.c"}},{"deprecated":false,"id":"CVE-2020-25275-7e4b6371","source":"https://github.com/dovecot/core/commit/89f716dc2ec7362864a368d32533184b55fb7831","signature_type":"Line","digest":{"line_hashes":["278785260246161150248339674797392182783","268337524322404052174412187219750515495","260900042069470596651645167535238511843","215404735682128032450205611949595575148","95632903194647195604684242103969210521","334544074264257495251296982352358868461","272235226121168406138417059860516680638","94614832344236721621719220881383999969","133845085594569060567343773474855935093","231976961659895332335730835650040202731","215964019162609653939930531910218753698","124899298734637869030094386711232058176","208507113689900333926841062784169050884","22817438786077034395447909030443083472","61749333419936925221299181776486836621","230485890595458566265336413736305546876","148317764179313926954713425459965936713"],"threshold":0.9},"signature_version":"v1","target":{"file":"src/lib-master/stats-client.c"}},{"deprecated":false,"id":"CVE-2020-25275-b4c3550a","source":"https://github.com/dovecot/core/commit/89f716dc2ec7362864a368d32533184b55fb7831","s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