{"id":"CVE-2017-15132","details":"A flaw was found in dovecot 2.0 up to 2.2.33 and 2.3.0. An abort of SASL authentication results in a memory leak in dovecot's auth client used by login processes. The leak has impact in high performance configuration where same login processes are reused and can cause the process to crash due to memory exhaustion.","modified":"2026-04-16T06:20:44.533389410Z","published":"2018-01-25T20:29:00.213Z","related":["SUSE-SU-2018:0466-1","openSUSE-SU-2024:10726-1","openSUSE-SU-2025:14715-1"],"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3556-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3556-2/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4130"},{"type":"ADVISORY","url":"https://www.dovecot.org/list/dovecot-news/2018-February/000370.html"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1532768"},{"type":"FIX","url":"https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060.patch"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dovecot/core","events":[{"introduced":"5d5c4f2bfb812c767084c0338dae692db476da10"},{"last_affected":"68b0a183ed4d86c3ec05b8fdfbf6f771af799e0c"},{"introduced":"0"},{"last_affected":"c8b89eb9968980589904a58e8bd72fc8c00039be"},{"fixed":"1a29ed2f96da1be22fa5a4d96c7583aa81b8b060"}],"database_specific":{"versions":[{"introduced":"2.0.0"},{"last_affected":"2.2.33"},{"introduced":"0"},{"last_affected":"2.3.0"}]}}],"versions":["2.0.0","2.0.1","2.0.2","2.0.3","2.0.4","2.0.5","2.0.6","2.0.7","2.0.8","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","2.2.0","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","2.2.33","2.2.33.rc1","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","2.3.0","2.3.0.rc1"],"database_specific":{"vanir_signatures":[{"signature_version":"v1","source":"https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060","target":{"function":"auth_client_request_abort","file":"src/lib-auth/auth-client-request.c"},"deprecated":false,"signature_type":"Function","digest":{"length":189,"function_hash":"215630281052956561789486511243423684996"},"id":"CVE-2017-15132-b5687e0c"},{"signature_version":"v1","target":{"file":"src/lib-auth/auth-client-request.c"},"source":"https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060","deprecated":false,"signature_type":"Line","digest":{"threshold":0.9,"line_hashes":["256845835522410639369354571979945330357","50071296302481837651153587836823008511","155824037022152075349161589285698475531","309589516607185628648135646432823813963"]},"id":"CVE-2017-15132-da78e4dc"}],"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"12.04"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"17.10"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-15132.json","vanir_signatures_modified":"2026-04-11T04:47:48Z"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}